diff --git a/src/plugins/coreplugin/documentmanager.cpp b/src/plugins/coreplugin/documentmanager.cpp
index b7b7ccfbe06..a529cb6ff98 100644
--- a/src/plugins/coreplugin/documentmanager.cpp
+++ b/src/plugins/coreplugin/documentmanager.cpp
@@ -22,6 +22,7 @@
 #include <coreplugin/editormanager/ieditor.h>
 #include <coreplugin/editormanager/ieditorfactory.h>
 #include <coreplugin/editormanager/iexternaleditor.h>
+#include <coreplugin/systemsettings.h>
 
 #include <extensionsystem/pluginmanager.h>
 
@@ -1336,7 +1337,8 @@ void DocumentManager::addToRecentFiles(const FilePath &filePath, Id editorId)
     Utils::erase(d->m_recentFiles, [fileKey](const RecentFile &file) {
         return fileKey == filePathKey(file.first, DocumentManager::KeepLinks);
     });
-    while (d->m_recentFiles.count() >= EditorManagerPrivate::maxRecentFiles())
+    const int maxRecentFiles = systemSettings().maxRecentFiles();
+    while (d->m_recentFiles.count() >= maxRecentFiles)
         d->m_recentFiles.removeLast();
     d->m_recentFiles.prepend(RecentFile(filePath, editorId));
 }
diff --git a/src/plugins/coreplugin/editormanager/editormanager.cpp b/src/plugins/coreplugin/editormanager/editormanager.cpp
index 946355a0abc..fdcefe841b7 100644
--- a/src/plugins/coreplugin/editormanager/editormanager.cpp
+++ b/src/plugins/coreplugin/editormanager/editormanager.cpp
@@ -33,6 +33,7 @@
 #include "../outputpanemanager.h"
 #include "../rightpane.h"
 #include "../settingsdatabase.h"
+#include "../systemsettings.h"
 #include "../vcsmanager.h"
 
 #include <extensionsystem/pluginmanager.h>
@@ -90,15 +91,6 @@ static const char kCurrentDocumentYPos[] = "CurrentDocument:YPos";
 static const char kMakeWritableWarning[] = "Core.EditorManager.MakeWritable";
 
 static const char documentStatesKey[] = "EditorManager/DocumentStates";
-static const char reloadBehaviorKey[] = "EditorManager/ReloadBehavior";
-static const char autoSaveEnabledKey[] = "EditorManager/AutoSaveEnabled";
-static const char autoSaveIntervalKey[] = "EditorManager/AutoSaveInterval";
-static const char autoSaveAfterRefactoringKey[] = "EditorManager/AutoSaveAfterRefactoring";
-static const char autoSuspendEnabledKey[] = "EditorManager/AutoSuspendEnabled";
-static const char autoSuspendMinDocumentCountKey[] = "EditorManager/AutoSuspendMinDocuments";
-static const char warnBeforeOpeningBigTextFilesKey[] = "EditorManager/WarnBeforeOpeningBigTextFiles";
-static const char bigTextFileSizeLimitKey[] = "EditorManager/BigTextFileSizeLimitInMB";
-static const char maxRecentFilesKey[] = "EditorManager/MaxRecentFiles";
 static const char fileSystemCaseSensitivityKey[] = "Core/FileSystemCaseSensitivity";
 static const char preferredEditorFactoriesKey[] = "EditorManager/PreferredEditorFactories";
 
@@ -732,7 +724,7 @@ EditorArea *EditorManagerPrivate::mainEditorArea()
 
 bool EditorManagerPrivate::skipOpeningBigTextFile(const FilePath &filePath)
 {
-    if (!d->m_settings.warnBeforeOpeningBigFilesEnabled)
+    if (!systemSettings().warnBeforeOpeningBigFiles())
         return false;
 
     if (!filePath.exists())
@@ -745,7 +737,7 @@ bool EditorManagerPrivate::skipOpeningBigTextFile(const FilePath &filePath)
 
     const qint64 fileSize = filePath.fileSize();
     const double fileSizeInMB = fileSize / 1000.0 / 1000.0;
-    if (fileSizeInMB > d->m_settings.bigFileSizeLimitInMB
+    if (fileSizeInMB > systemSettings().bigFileSizeLimitInMB()
         && fileSize < EditorManager::maxTextFileSize()) {
         const QString title = ::Core::Tr::tr("Continue Opening Huge Text File?");
         const QString text = ::Core::Tr::tr(
@@ -761,7 +753,7 @@ bool EditorManagerPrivate::skipOpeningBigTextFile(const FilePath &filePath)
 
         QMessageBox::StandardButton clickedButton
             = CheckableMessageBox::question(ICore::dialogParent(), title, text, decider);
-        setWarnBeforeOpeningBigFilesEnabled(askAgain);
+        systemSettings().warnBeforeOpeningBigFiles.setValue(askAgain);
         return clickedButton != QMessageBox::Yes;
     }
 
@@ -1217,51 +1209,14 @@ void EditorManagerPrivate::saveSettings()
 {
     ICore::settingsDatabase()->setValue(documentStatesKey, d->m_editorStates);
 
-    const Settings def;
     QtcSettings *qsettings = ICore::settings();
-    qsettings->setValueWithDefault(reloadBehaviorKey,
-                                   int(d->m_settings.reloadSetting),
-                                   int(def.reloadSetting));
-    qsettings->setValueWithDefault(autoSaveEnabledKey,
-                                   d->m_settings.autoSaveEnabled,
-                                   def.autoSaveEnabled);
-    qsettings->setValueWithDefault(autoSaveIntervalKey,
-                                   d->m_settings.autoSaveInterval,
-                                   def.autoSaveInterval);
-    qsettings->setValueWithDefault(autoSaveAfterRefactoringKey,
-                                   d->m_settings.autoSaveAfterRefactoring,
-                                   def.autoSaveAfterRefactoring);
-    qsettings->setValueWithDefault(autoSuspendEnabledKey,
-                                   d->m_settings.autoSuspendEnabled,
-                                   def.autoSuspendEnabled);
-    qsettings->setValueWithDefault(autoSuspendMinDocumentCountKey,
-                                   d->m_settings.autoSuspendMinDocumentCount,
-                                   def.autoSuspendMinDocumentCount);
-    qsettings->setValueWithDefault(warnBeforeOpeningBigTextFilesKey,
-                                   d->m_settings.warnBeforeOpeningBigFilesEnabled,
-                                   def.warnBeforeOpeningBigFilesEnabled);
-    qsettings->setValueWithDefault(bigTextFileSizeLimitKey,
-                                   d->m_settings.bigFileSizeLimitInMB,
-                                   def.bigFileSizeLimitInMB);
-    qsettings->setValueWithDefault(maxRecentFilesKey,
-                                   d->m_settings.maxRecentFiles,
-                                   def.maxRecentFiles);
     qsettings->setValueWithDefault(preferredEditorFactoriesKey,
                                    toMap(userPreferredEditorTypes()));
 }
 
 void EditorManagerPrivate::readSettings()
 {
-    Settings def;
     QSettings *qs = ICore::settings();
-    d->m_settings.warnBeforeOpeningBigFilesEnabled
-        = qs->value(warnBeforeOpeningBigTextFilesKey, def.warnBeforeOpeningBigFilesEnabled).toBool();
-    d->m_settings.bigFileSizeLimitInMB
-        = qs->value(bigTextFileSizeLimitKey, def.bigFileSizeLimitInMB).toInt();
-
-    const int maxRecentFiles = qs->value(maxRecentFilesKey, def.maxRecentFiles).toInt();
-    if (maxRecentFiles > 0)
-        d->m_settings.maxRecentFiles = maxRecentFiles;
 
     const Qt::CaseSensitivity defaultSensitivity = OsSpecificAspects::fileNameCaseSensitivity(
         HostOsInfo::hostOs());
@@ -1281,19 +1236,6 @@ void EditorManagerPrivate::readSettings()
             .value<QMap<QString, QVariant> >();
     }
 
-    d->m_settings.reloadSetting = IDocument::ReloadSetting(
-        qs->value(reloadBehaviorKey, def.reloadSetting).toInt());
-
-    d->m_settings.autoSaveEnabled = qs->value(autoSaveEnabledKey, def.autoSaveEnabled).toBool();
-    d->m_settings.autoSaveInterval = qs->value(autoSaveIntervalKey, def.autoSaveInterval).toInt();
-    d->m_settings.autoSaveAfterRefactoring = qs->value(autoSaveAfterRefactoringKey,
-                                                       def.autoSaveAfterRefactoring).toBool();
-
-    d->m_settings.autoSuspendEnabled = qs->value(autoSuspendEnabledKey, def.autoSuspendEnabled)
-                                           .toBool();
-    d->m_settings.autoSuspendMinDocumentCount
-        = qs->value(autoSuspendMinDocumentCountKey, def.autoSuspendMinDocumentCount).toInt();
-
     updateAutoSave();
 }
 
@@ -1325,88 +1267,6 @@ void EditorManagerPrivate::writeFileSystemSensitivity(Utils::QtcSettings *settin
                                       HostOsInfo::hostOs())));
 }
 
-void EditorManagerPrivate::setAutoSaveEnabled(bool enabled)
-{
-    d->m_settings.autoSaveEnabled = enabled;
-    updateAutoSave();
-}
-
-bool EditorManagerPrivate::autoSaveEnabled()
-{
-    return d->m_settings.autoSaveEnabled;
-}
-
-void EditorManagerPrivate::setAutoSaveInterval(int interval)
-{
-    d->m_settings.autoSaveInterval = interval;
-    updateAutoSave();
-}
-
-int EditorManagerPrivate::autoSaveInterval()
-{
-    return d->m_settings.autoSaveInterval;
-}
-
-void EditorManagerPrivate::setAutoSaveAfterRefactoring(bool enabled)
-{
-    d->m_settings.autoSaveAfterRefactoring = enabled;
-}
-
-bool EditorManagerPrivate::autoSaveAfterRefactoring()
-{
-    return d->m_settings.autoSaveAfterRefactoring;
-}
-
-void EditorManagerPrivate::setAutoSuspendEnabled(bool enabled)
-{
-    d->m_settings.autoSuspendEnabled = enabled;
-}
-
-bool EditorManagerPrivate::autoSuspendEnabled()
-{
-    return d->m_settings.autoSuspendEnabled;
-}
-
-void EditorManagerPrivate::setAutoSuspendMinDocumentCount(int count)
-{
-    d->m_settings.autoSuspendMinDocumentCount = count;
-}
-
-int EditorManagerPrivate::autoSuspendMinDocumentCount()
-{
-    return d->m_settings.autoSuspendMinDocumentCount;
-}
-
-bool EditorManagerPrivate::warnBeforeOpeningBigFilesEnabled()
-{
-    return d->m_settings.warnBeforeOpeningBigFilesEnabled;
-}
-
-void EditorManagerPrivate::setWarnBeforeOpeningBigFilesEnabled(bool enabled)
-{
-    d->m_settings.warnBeforeOpeningBigFilesEnabled = enabled;
-}
-
-int EditorManagerPrivate::bigFileSizeLimit()
-{
-    return d->m_settings.bigFileSizeLimitInMB;
-}
-
-void EditorManagerPrivate::setMaxRecentFiles(int count)
-{
-    d->m_settings.maxRecentFiles = count;
-}
-
-int EditorManagerPrivate::maxRecentFiles()
-{
-    return d->m_settings.maxRecentFiles;
-}
-
-void EditorManagerPrivate::setBigFileSizeLimit(int limitInMB)
-{
-    d->m_settings.bigFileSizeLimitInMB = limitInMB;
-}
-
 EditorFactoryList EditorManagerPrivate::findFactories(Id editorId, const FilePath &filePath)
 {
     if (debugEditorManager)
@@ -2005,8 +1865,8 @@ void EditorManagerPrivate::addDocumentToRecentFiles(IDocument *document)
 
 void EditorManagerPrivate::updateAutoSave()
 {
-    if (d->m_settings.autoSaveEnabled)
-        d->m_autoSaveTimer->start(d->m_settings.autoSaveInterval * (60 * 1000));
+    if (systemSettings().autoSaveModifiedFiles())
+        d->m_autoSaveTimer->start(systemSettings().autoSaveInterval() * (60 * 1000));
     else
         d->m_autoSaveTimer->stop();
 }
@@ -2595,20 +2455,21 @@ void EditorManagerPrivate::revertToSaved(IDocument *document)
 
 void EditorManagerPrivate::autoSuspendDocuments()
 {
-    if (!d->m_settings.autoSuspendEnabled)
+    if (!systemSettings().autoSuspendEnabled())
         return;
 
     auto visibleDocuments = Utils::transform<QSet>(EditorManager::visibleEditors(),
                                                    &IEditor::document);
     int keptEditorCount = 0;
     QList<IDocument *> documentsToSuspend;
+    const int minDocumentCount = systemSettings().autoSuspendMinDocumentCount();
     for (const EditLocation &editLocation : std::as_const(d->m_globalHistory)) {
         IDocument *document = editLocation.document;
         if (!document || !document->isSuspendAllowed() || document->isModified()
                 || document->isTemporary() || document->filePath().isEmpty()
                 || visibleDocuments.contains(document))
             continue;
-        if (keptEditorCount >= d->m_settings.autoSuspendMinDocumentCount)
+        if (keptEditorCount >= minDocumentCount)
             documentsToSuspend.append(document);
         else
             ++keptEditorCount;
@@ -3001,7 +2862,8 @@ void EditorManager::runWithTemporaryEditor(const Utils::FilePath &filePath,
 */
 IDocument::ReloadSetting EditorManager::reloadSetting()
 {
-    return d->m_settings.reloadSetting;
+    // FIXME: Used TypedSelectionAspect once we have that.
+    return IDocument::ReloadSetting(systemSettings().reloadSetting.value());
 }
 
 /*!
@@ -3011,7 +2873,7 @@ IDocument::ReloadSetting EditorManager::reloadSetting()
 */
 void EditorManager::setReloadSetting(IDocument::ReloadSetting behavior)
 {
-    d->m_settings.reloadSetting = behavior;
+    systemSettings().reloadSetting.setValue(behavior);
 }
 
 /*!
@@ -3228,7 +3090,7 @@ bool EditorManager::isAutoSaveFile(const QString &filePath)
 
 bool EditorManager::autoSaveAfterRefactoring()
 {
-    return EditorManagerPrivate::autoSaveAfterRefactoring();
+    return systemSettings().autoSaveAfterRefactoring();
 }
 
 /*!
diff --git a/src/plugins/coreplugin/editormanager/editormanager_p.h b/src/plugins/coreplugin/editormanager/editormanager_p.h
index 6ad61d3df47..3cae95ba96e 100644
--- a/src/plugins/coreplugin/editormanager/editormanager_p.h
+++ b/src/plugins/coreplugin/editormanager/editormanager_p.h
@@ -99,22 +99,6 @@ public:
     static Qt::CaseSensitivity readFileSystemSensitivity(QSettings *settings);
     static void writeFileSystemSensitivity(Utils::QtcSettings *settings,
                                            Qt::CaseSensitivity sensitivity);
-    static void setAutoSaveEnabled(bool enabled);
-    static bool autoSaveEnabled();
-    static void setAutoSaveInterval(int interval);
-    static int autoSaveInterval();
-    static void setAutoSaveAfterRefactoring(bool enabled);
-    static bool autoSaveAfterRefactoring();
-    static void setAutoSuspendEnabled(bool enabled);
-    static bool autoSuspendEnabled();
-    static void setAutoSuspendMinDocumentCount(int count);
-    static int autoSuspendMinDocumentCount();
-    static void setWarnBeforeOpeningBigFilesEnabled(bool enabled);
-    static bool warnBeforeOpeningBigFilesEnabled();
-    static void setBigFileSizeLimit(int limitInMB);
-    static int bigFileSizeLimit();
-    static void setMaxRecentFiles(int count);
-    static int maxRecentFiles();
 
     static EditorWindow *createEditorWindow();
     static void splitNewWindow(Internal::EditorView *view);
@@ -132,6 +116,8 @@ public:
     static void setPlaceholderText(const QString &text);
     static QString placeholderText();
 
+    static void updateAutoSave();
+
 public slots:
     static bool saveDocument(Core::IDocument *document);
     static bool saveDocumentAs(Core::IDocument *document);
@@ -191,7 +177,6 @@ private:
     static EditorArea *findEditorArea(const EditorView *view, int *areaIndex = nullptr);
     static IEditor *pickUnusedEditor(Internal::EditorView **foundView = nullptr);
     static void addDocumentToRecentFiles(IDocument *document);
-    static void updateAutoSave();
     static void updateMakeWritableWarning();
     static void setupSaveActions(IDocument *document, QAction *saveAction,
                                  QAction *saveAsAction, QAction *revertToSavedAction);
@@ -263,23 +248,6 @@ private:
     EditorManager::WindowTitleHandler m_sessionTitleHandler;
     EditorManager::WindowTitleHandler m_titleVcsTopicHandler;
 
-    struct Settings
-    {
-        IDocument::ReloadSetting reloadSetting = IDocument::AlwaysAsk;
-
-        bool autoSaveEnabled = true;
-        int autoSaveInterval = 5;
-
-        bool autoSuspendEnabled = true;
-        int autoSuspendMinDocumentCount = 10;
-
-        bool autoSaveAfterRefactoring = true;
-        bool warnBeforeOpeningBigFilesEnabled = true;
-        int bigFileSizeLimitInMB = 5;
-        int maxRecentFiles = 8;
-    };
-
-    Settings m_settings;
     QString m_placeholderText;
     QList<std::function<bool(IEditor *)>> m_closeEditorListeners;
 };
diff --git a/src/plugins/coreplugin/mainwindow.cpp b/src/plugins/coreplugin/mainwindow.cpp
index 805365e061d..5b3eaca50c0 100644
--- a/src/plugins/coreplugin/mainwindow.cpp
+++ b/src/plugins/coreplugin/mainwindow.cpp
@@ -103,7 +103,6 @@ namespace Internal {
 
 static const char settingsGroup[] = "MainWindow";
 static const char colorKey[] = "Color";
-static const char askBeforeExitKey[] = "AskBeforeExit";
 static const char windowGeometryKey[] = "WindowGeometry";
 static const char windowStateKey[] = "WindowState";
 static const char modeSelectorLayoutKey[] = "ModeSelectorLayout";
@@ -129,7 +128,6 @@ MainWindow::MainWindow()
     , m_jsExpander(JsExpander::createGlobalJsExpander())
     , m_vcsManager(new VcsManager)
     , m_modeStack(new FancyTabWidget(this))
-    , m_systemSettings(new SystemSettings)
     , m_shortcutSettings(new ShortcutSettings)
     , m_toolSettings(new ToolSettings)
     , m_mimeTypeSettings(new MimeTypeSettings)
@@ -232,16 +230,6 @@ void MainWindow::setSidebarVisible(bool visible, Side side)
         navigationWidget(side)->setShown(visible);
 }
 
-bool MainWindow::askConfirmationBeforeExit() const
-{
-    return m_askConfirmationBeforeExit;
-}
-
-void MainWindow::setAskConfirmationBeforeExit(bool ask)
-{
-    m_askConfirmationBeforeExit = ask;
-}
-
 void MainWindow::setOverrideColor(const QColor &color)
 {
     m_overrideColor = color;
@@ -275,8 +263,6 @@ MainWindow::~MainWindow()
     m_messageManager = nullptr;
     delete m_shortcutSettings;
     m_shortcutSettings = nullptr;
-    delete m_systemSettings;
-    m_systemSettings = nullptr;
     delete m_toolSettings;
     m_toolSettings = nullptr;
     delete m_mimeTypeSettings;
@@ -376,7 +362,7 @@ void MainWindow::closeEvent(QCloseEvent *event)
         return;
     }
 
-    if (m_askConfirmationBeforeExit
+    if (systemSettings().askBeforeExit()
         && (QMessageBox::question(this,
                                   Tr::tr("Exit %1?").arg(QGuiApplication::applicationDisplayName()),
                                   Tr::tr("Exit %1?").arg(QGuiApplication::applicationDisplayName()),
@@ -1181,8 +1167,6 @@ void MainWindow::readSettings()
                                   QColor(StyleHelper::DEFAULT_BASE_COLOR)).value<QColor>());
     }
 
-    m_askConfirmationBeforeExit = settings->value(askBeforeExitKey, askBeforeExitDefault).toBool();
-
     {
         ModeManager::Style modeStyle =
                 ModeManager::Style(settings->value(modeSelectorLayoutKey, int(ModeManager::Style::IconsAndText)).toInt());
@@ -1216,10 +1200,6 @@ void MainWindow::saveSettings()
                                       StyleHelper::requestedBaseColor(),
                                       QColor(StyleHelper::DEFAULT_BASE_COLOR));
 
-    settings->setValueWithDefault(askBeforeExitKey,
-                                  m_askConfirmationBeforeExit,
-                                  askBeforeExitDefault);
-
     settings->endGroup();
 
     DocumentManager::saveSettings();
diff --git a/src/plugins/coreplugin/mainwindow.h b/src/plugins/coreplugin/mainwindow.h
index 8691e771e2e..0755fae3e45 100644
--- a/src/plugins/coreplugin/mainwindow.h
+++ b/src/plugins/coreplugin/mainwindow.h
@@ -50,7 +50,6 @@ class MimeTypeSettings;
 class VersionDialog;
 class WindowSupport;
 class SystemEditor;
-class SystemSettings;
 
 class MainWindow : public Utils::AppMainWindow
 {
@@ -81,9 +80,6 @@ public:
     void updateAdditionalContexts(const Context &remove, const Context &add,
                                   ICore::ContextPriority priority);
 
-    bool askConfirmationBeforeExit() const;
-    void setAskConfirmationBeforeExit(bool ask);
-
     void setOverrideColor(const QColor &color);
 
     QStringList additionalAboutInformation() const;
@@ -160,7 +156,6 @@ private:
 
     std::unordered_map<QWidget *, IContext *> m_contextWidgets;
 
-    SystemSettings *m_systemSettings = nullptr;
     ShortcutSettings *m_shortcutSettings = nullptr;
     ToolSettings *m_toolSettings = nullptr;
     MimeTypeSettings *m_mimeTypeSettings = nullptr;
@@ -186,7 +181,6 @@ private:
 
     QToolButton *m_toggleLeftSideBarButton = nullptr;
     QToolButton *m_toggleRightSideBarButton = nullptr;
-    bool m_askConfirmationBeforeExit = false;
     QColor m_overrideColor;
     QList<std::function<bool()>> m_preCloseListeners;
 };
diff --git a/src/plugins/coreplugin/systemsettings.cpp b/src/plugins/coreplugin/systemsettings.cpp
index af34c668cf1..18c8908149a 100644
--- a/src/plugins/coreplugin/systemsettings.cpp
+++ b/src/plugins/coreplugin/systemsettings.cpp
@@ -8,6 +8,7 @@
 #include "coreplugintr.h"
 #include "editormanager/editormanager_p.h"
 #include "dialogs/restartdialog.h"
+#include "dialogs/ioptionspage.h"
 #include "fileutils.h"
 #include "icore.h"
 #include "iversioncontrol.h"
@@ -40,13 +41,9 @@
 using namespace Utils;
 using namespace Layouting;
 
-namespace Core {
-namespace Internal {
+namespace Core::Internal {
 
 #ifdef ENABLE_CRASHPAD
-const char crashReportingEnabledKey[] = "CrashReportingEnabled";
-const char showCrashButtonKey[] = "ShowCrashButton";
-
 // TODO: move to somewhere in Utils
 static QString formatSize(qint64 size)
 {
@@ -63,55 +60,128 @@ static QString formatSize(qint64 size)
 }
 #endif // ENABLE_CRASHPAD
 
+SystemSettings &systemSettings()
+{
+    static SystemSettings theSettings;
+    return theSettings;
+}
+
+SystemSettings::SystemSettings()
+{
+    setAutoApply(false);
+
+    autoSaveModifiedFiles.setSettingsKey("EditorManager/AutoSaveEnabled");
+    autoSaveModifiedFiles.setDefaultValue(true);
+    autoSaveModifiedFiles.setLabelText(Tr::tr("Auto-save modified files"));
+    autoSaveModifiedFiles.setLabelPlacement(
+        BoolAspect::LabelPlacement::AtCheckBoxWithoutDummyLabel);
+    autoSaveModifiedFiles.setToolTip(
+        Tr::tr("Automatically creates temporary copies of modified files. "
+               "If %1 is restarted after a crash or power failure, it asks whether to "
+               "recover the auto-saved content.")
+            .arg(QGuiApplication::applicationDisplayName()));
+
+    autoSaveInterval.setSettingsKey("EditorManager/AutoSaveInterval");
+    autoSaveInterval.setSuffix(Tr::tr("min"));
+    autoSaveInterval.setRange(1, 1000000);
+    autoSaveInterval.setDefaultValue(5);
+    autoSaveInterval.setEnabler(&autoSaveModifiedFiles);
+    autoSaveInterval.setLabelText(Tr::tr("Interval:"));
+
+    autoSaveAfterRefactoring.setSettingsKey("EditorManager/AutoSaveAfterRefactoring");
+    autoSaveAfterRefactoring.setDefaultValue(true);
+    autoSaveAfterRefactoring.setLabelPlacement(
+        BoolAspect::LabelPlacement::AtCheckBoxWithoutDummyLabel);
+    autoSaveAfterRefactoring.setLabelText(Tr::tr("Auto-save files after refactoring"));
+    autoSaveAfterRefactoring.setToolTip(
+        Tr::tr("Automatically saves all open files affected by a refactoring operation,\n"
+               "provided they were unmodified before the refactoring."));
+
+    autoSuspendEnabled.setSettingsKey("EditorManager/AutoSuspendEnabled");
+    autoSuspendEnabled.setDefaultValue(true);
+    autoSuspendEnabled.setLabelText(Tr::tr("Auto-suspend unmodified files"));
+    autoSuspendEnabled.setLabelPlacement(
+        BoolAspect::LabelPlacement::AtCheckBoxWithoutDummyLabel);
+    autoSuspendEnabled.setToolTip(
+        Tr::tr("Automatically free resources of old documents that are not visible and not "
+               "modified. They stay visible in the list of open documents."));
+
+    autoSuspendMinDocumentCount.setSettingsKey("EditorManager/AutoSuspendMinDocuments");
+    autoSuspendMinDocumentCount.setRange(1, 500);
+    autoSuspendMinDocumentCount.setDefaultValue(30);
+    autoSuspendMinDocumentCount.setEnabler(&autoSuspendEnabled);
+    autoSuspendMinDocumentCount.setLabelText(Tr::tr("Files to keep open:"));
+    autoSuspendMinDocumentCount.setToolTip(
+        Tr::tr("Minimum number of open documents that should be kept in memory. Increasing this "
+           "number will lead to greater resource usage when not manually closing documents."));
+
+    warnBeforeOpeningBigFiles.setSettingsKey("EditorManager/WarnBeforeOpeningBigTextFiles");
+    warnBeforeOpeningBigFiles.setDefaultValue(true);
+    warnBeforeOpeningBigFiles.setLabelPlacement(
+        BoolAspect::LabelPlacement::AtCheckBoxWithoutDummyLabel);
+    warnBeforeOpeningBigFiles.setLabelText(Tr::tr("Warn before opening text files greater than"));
+
+    bigFileSizeLimitInMB.setSettingsKey("EditorManager/BigTextFileSizeLimitInMB");
+    bigFileSizeLimitInMB.setSuffix(Tr::tr("MB"));
+    bigFileSizeLimitInMB.setRange(1, 500);
+    bigFileSizeLimitInMB.setDefaultValue(5);
+    bigFileSizeLimitInMB.setEnabler(&warnBeforeOpeningBigFiles);
+
+    maxRecentFiles.setSettingsKey("EditorManager/MaxRecentFiles");
+    maxRecentFiles.setRange(1, 99);
+    maxRecentFiles.setDefaultValue(8);
+
+    reloadSetting.setSettingsKey("EditorManager/ReloadBehavior");
+    reloadSetting.setDisplayStyle(SelectionAspect::DisplayStyle::ComboBox);
+    reloadSetting.addOption(Tr::tr("Always Ask"));
+    reloadSetting.addOption(Tr::tr("Reload All Unchanged Editors"));
+    reloadSetting.addOption(Tr::tr("Ignore Modifications"));
+    reloadSetting.setDefaultValue(IDocument::AlwaysAsk);
+    reloadSetting.setLabelText(Tr::tr("When files are externally modified:"));
+
+    askBeforeExit.setSettingsKey("AskBeforeExit");
+    askBeforeExit.setLabelText(Tr::tr("Ask for confirmation before exiting"));
+    askBeforeExit.setLabelPlacement(BoolAspect::LabelPlacement::AtCheckBoxWithoutDummyLabel);
+
+#ifdef ENABLE_CRASHPAD
+    enableCrashReporting.setSettingsKey("CrashReportingEnabled");
+    enableCrashReporting.setLabelText(tr("Enable crash reporting"));
+    enableCrashReporting.setToolTip(
+        Tr::tr("Allow crashes to be automatically reported. Collected reports are "
+           "used for the sole purpose of fixing bugs."));
+
+    showCrashButton.setSettingsKey("ShowCrashButton");
+#endif
+
+    const auto updateAutoSave = [] {  EditorManagerPrivate::updateAutoSave(); };
+    connect(&autoSaveModifiedFiles, &BaseAspect::changed, this, updateAutoSave);
+    connect(&autoSaveInterval, &BaseAspect::changed, this, updateAutoSave);
+
+    readSettings();
+}
+
 class SystemSettingsWidget : public IOptionsPageWidget
 {
 public:
     SystemSettingsWidget()
         : m_fileSystemCaseSensitivityChooser(new QComboBox)
-        , m_autoSuspendMinDocumentCount(new QSpinBox)
         , m_externalFileBrowserEdit(new QLineEdit)
-        , m_autoSuspendCheckBox(new QCheckBox(Tr::tr("Auto-suspend unmodified files")))
-        , m_maxRecentFilesSpinBox(new QSpinBox)
-        , m_enableCrashReportingCheckBox(new QCheckBox(Tr::tr("Enable crash reporting")))
-        , m_warnBeforeOpeningBigFiles(
-              new QCheckBox(Tr::tr("Warn before opening text files greater than")))
-        , m_bigFilesLimitSpinBox(new QSpinBox)
         , m_terminalComboBox(new QComboBox)
         , m_terminalOpenArgs(new QLineEdit)
         , m_terminalExecuteArgs(new QLineEdit)
         , m_patchChooser(new Utils::PathChooser)
         , m_environmentChangesLabel(new Utils::ElidingLabel)
-        , m_askBeforeExitCheckBox(new QCheckBox(Tr::tr("Ask for confirmation before exiting")))
-        , m_reloadBehavior(new QComboBox)
-        , m_autoSaveCheckBox(new QCheckBox(Tr::tr("Auto-save modified files")))
         , m_clearCrashReportsButton(new QPushButton(Tr::tr("Clear Local Crash Reports")))
         , m_crashReportsSizeText(new QLabel)
-        , m_autoSaveInterval(new QSpinBox)
-        , m_autoSaveRefactoringCheckBox(new QCheckBox(Tr::tr("Auto-save files after refactoring")))
 
     {
-        m_autoSuspendCheckBox->setToolTip(
-            Tr::tr("Automatically free resources of old documents that are not visible and not "
-               "modified. They stay visible in the list of open documents."));
-        m_autoSuspendMinDocumentCount->setMinimum(1);
-        m_autoSuspendMinDocumentCount->setMaximum(500);
-        m_autoSuspendMinDocumentCount->setValue(30);
-        m_enableCrashReportingCheckBox->setToolTip(
-            Tr::tr("Allow crashes to be automatically reported. Collected reports are "
-               "used for the sole purpose of fixing bugs."));
-        m_bigFilesLimitSpinBox->setSuffix(Tr::tr("MB"));
-        m_bigFilesLimitSpinBox->setMinimum(1);
-        m_bigFilesLimitSpinBox->setMaximum(500);
-        m_bigFilesLimitSpinBox->setValue(5);
+        SystemSettings &s = systemSettings();
+
         m_terminalExecuteArgs->setToolTip(
             Tr::tr("Command line arguments used for \"Run in terminal\"."));
         QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
         sizePolicy.setHorizontalStretch(5);
         m_environmentChangesLabel->setSizePolicy(sizePolicy);
-        m_reloadBehavior->addItem(Tr::tr("Always Ask"));
-        m_reloadBehavior->addItem(Tr::tr("Reload All Unchanged Editors"));
-        m_reloadBehavior->addItem(Tr::tr("Ignore Modifications"));
-        m_autoSaveInterval->setSuffix(Tr::tr("min"));
         QSizePolicy termSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed);
         termSizePolicy.setHorizontalStretch(3);
         m_terminalComboBox->setSizePolicy(termSizePolicy);
@@ -119,15 +189,10 @@ public:
         m_terminalComboBox->setEditable(true);
         m_terminalOpenArgs->setToolTip(
             Tr::tr("Command line arguments used for \"%1\".").arg(FileUtils::msgTerminalHereAction()));
-        m_autoSaveInterval->setMinimum(1);
 
         auto fileSystemCaseSensitivityLabel = new QLabel(Tr::tr("File system case sensitivity:"));
         fileSystemCaseSensitivityLabel->setToolTip(
             Tr::tr("Influences how file names are matched to decide if they are the same."));
-        auto autoSuspendLabel = new QLabel(Tr::tr("Files to keep open:"));
-        autoSuspendLabel->setToolTip(
-            Tr::tr("Minimum number of open documents that should be kept in memory. Increasing this "
-               "number will lead to greater resource usage when not manually closing documents."));
         auto resetFileBrowserButton = new QPushButton(Tr::tr("Reset"));
         resetFileBrowserButton->setToolTip(Tr::tr("Reset to default."));
         auto helpExternalFileBrowserButton = new QToolButton;
@@ -164,21 +229,16 @@ public:
             form.addRow({fileSystemCaseSensitivityLabel,
                          Span(2, Row{m_fileSystemCaseSensitivityChooser, st})});
         }
-        form.addRow(
-            {Tr::tr("When files are externally modified:"), Span(2, Row{m_reloadBehavior, st})});
-        form.addRow(
-            {m_autoSaveCheckBox, Span(2, Row{Tr::tr("Interval:"), m_autoSaveInterval, st})});
-        form.addRow({Span(3, m_autoSaveRefactoringCheckBox)});
-        form.addRow({m_autoSuspendCheckBox,
-                     Span(2, Row{autoSuspendLabel, m_autoSuspendMinDocumentCount, st})});
-        form.addRow({Span(3, Row{m_warnBeforeOpeningBigFiles, m_bigFilesLimitSpinBox, st})});
-        form.addRow({Span(3,
-                         Row{Tr::tr("Maximum number of entries in \"Recent Files\":"),
-                             m_maxRecentFilesSpinBox,
-                             st})});
-        form.addRow({m_askBeforeExitCheckBox});
+        form.addRow({s.reloadSetting, st});
+        form.addRow({s.autoSaveModifiedFiles, Span(2, Row{s.autoSaveInterval, st})});
+        form.addRow({Span(3, s.autoSaveAfterRefactoring)});
+        form.addRow({s.autoSuspendEnabled, Span(2, Row{s.autoSuspendMinDocumentCount, st})});
+        form.addRow({s.warnBeforeOpeningBigFiles, Span(2, Row{s.bigFileSizeLimitInMB, st})});
+        form.addRow({Tr::tr("Maximum number of entries in \"Recent Files\":"),
+                    Span(2, Row{s.maxRecentFiles, st})});
+        form.addRow({s.askBeforeExit});
 #ifdef ENABLE_CRASHPAD
-        form.addRow({Span(3, Row{m_enableCrashReportingCheckBox, helpCrashReportingButton, st})});
+        form.addRow({Span(3, Row{s.enableCrashReporting, helpCrashReportingButton, st})});
         form.addRow({Span(3, Row{m_clearCrashReportsButton, m_crashReportsSizeText, st})});
 #endif
 
@@ -189,7 +249,6 @@ public:
             }
         }.attachTo(this);
 
-        m_reloadBehavior->setCurrentIndex(EditorManager::reloadSetting());
         if (HostOsInfo::isAnyUnixHost()) {
             const QVector<TerminalCommand> availableTerminals
                 = TerminalCommand::availableTerminalEmulators();
@@ -211,28 +270,9 @@ public:
         m_patchChooser->setExpectedKind(PathChooser::ExistingCommand);
         m_patchChooser->setHistoryCompleter(QLatin1String("General.PatchCommand.History"));
         m_patchChooser->setFilePath(PatchTool::patchCommand());
-        m_autoSaveCheckBox->setChecked(EditorManagerPrivate::autoSaveEnabled());
-        m_autoSaveCheckBox->setToolTip(Tr::tr("Automatically creates temporary copies of "
-                                              "modified files. If %1 is restarted after "
-                                              "a crash or power failure, it asks whether to "
-                                              "recover the auto-saved content.")
-                                           .arg(QGuiApplication::applicationDisplayName()));
-        m_autoSaveRefactoringCheckBox->setChecked(EditorManager::autoSaveAfterRefactoring());
-        m_autoSaveRefactoringCheckBox->setToolTip(
-            Tr::tr("Automatically saves all open files "
-               "affected by a refactoring operation,\nprovided they were unmodified before the "
-               "refactoring."));
-        m_autoSaveInterval->setValue(EditorManagerPrivate::autoSaveInterval());
-        m_autoSuspendCheckBox->setChecked(EditorManagerPrivate::autoSuspendEnabled());
-        m_autoSuspendMinDocumentCount->setValue(EditorManagerPrivate::autoSuspendMinDocumentCount());
-        m_warnBeforeOpeningBigFiles->setChecked(
-            EditorManagerPrivate::warnBeforeOpeningBigFilesEnabled());
-        m_bigFilesLimitSpinBox->setValue(EditorManagerPrivate::bigFileSizeLimit());
-        m_maxRecentFilesSpinBox->setMinimum(1);
-        m_maxRecentFilesSpinBox->setMaximum(99);
-        m_maxRecentFilesSpinBox->setValue(EditorManagerPrivate::maxRecentFiles());
+
 #ifdef ENABLE_CRASHPAD
-        if (ICore::settings()->value(showCrashButtonKey).toBool()) {
+        if (s.showCrashButton()) {
             auto crashButton = new QPushButton("CRASH!!!");
             crashButton->show();
             connect(crashButton, &QPushButton::clicked, [] {
@@ -241,12 +281,10 @@ public:
             });
         }
 
-        m_enableCrashReportingCheckBox->setChecked(
-            ICore::settings()->value(crashReportingEnabledKey).toBool());
         connect(helpCrashReportingButton, &QAbstractButton::clicked, this, [this] {
             showHelpDialog(Tr::tr("Crash Reporting"), CorePlugin::msgCrashpadInformation());
         });
-        connect(m_enableCrashReportingCheckBox, &QCheckBox::stateChanged, this, [this] {
+        connect(&s.enableCrashReporting, &BaseAspect::changed, this, [this] {
             const QString restartText = Tr::tr("The change will take effect after restart.");
             Core::RestartDialog restartDialog(Core::ICore::dialogParent(), restartText);
             restartDialog.exec();
@@ -263,10 +301,6 @@ public:
         });
 #endif
 
-        m_askBeforeExitCheckBox->setChecked(
-            static_cast<Core::Internal::MainWindow *>(ICore::mainWindow())
-                ->askConfirmationBeforeExit());
-
         if (HostOsInfo::isAnyUnixHost()) {
             connect(resetTerminalButton,
                     &QAbstractButton::clicked,
@@ -342,33 +376,24 @@ private:
     void showHelpDialog(const QString &title, const QString &helpText);
 
     QComboBox *m_fileSystemCaseSensitivityChooser;
-    QSpinBox *m_autoSuspendMinDocumentCount;
     QLineEdit *m_externalFileBrowserEdit;
-    QCheckBox *m_autoSuspendCheckBox;
-    QSpinBox *m_maxRecentFilesSpinBox;
-    QCheckBox *m_enableCrashReportingCheckBox;
-    QCheckBox *m_warnBeforeOpeningBigFiles;
-    QSpinBox *m_bigFilesLimitSpinBox;
     QComboBox *m_terminalComboBox;
     QLineEdit *m_terminalOpenArgs;
     QLineEdit *m_terminalExecuteArgs;
     Utils::PathChooser *m_patchChooser;
     Utils::ElidingLabel *m_environmentChangesLabel;
-    QCheckBox *m_askBeforeExitCheckBox;
-    QComboBox *m_reloadBehavior;
-    QCheckBox *m_autoSaveCheckBox;
     QPushButton *m_clearCrashReportsButton;
     QLabel *m_crashReportsSizeText;
-    QSpinBox *m_autoSaveInterval;
-    QCheckBox *m_autoSaveRefactoringCheckBox;
     QPointer<QMessageBox> m_dialog;
     EnvironmentItems m_environmentChanges;
 };
 
 void SystemSettingsWidget::apply()
 {
+    systemSettings().apply();
+    systemSettings().writeSettings();
+
     QtcSettings *settings = ICore::settings();
-    EditorManager::setReloadSetting(IDocument::ReloadSetting(m_reloadBehavior->currentIndex()));
     if (HostOsInfo::isAnyUnixHost()) {
         TerminalCommand::setTerminalEmulator({
             FilePath::fromUserInput(m_terminalComboBox->lineEdit()->text()),
@@ -380,22 +405,6 @@ void SystemSettingsWidget::apply()
         }
     }
     PatchTool::setPatchCommand(m_patchChooser->filePath());
-    EditorManagerPrivate::setAutoSaveEnabled(m_autoSaveCheckBox->isChecked());
-    EditorManagerPrivate::setAutoSaveInterval(m_autoSaveInterval->value());
-    EditorManagerPrivate::setAutoSaveAfterRefactoring(m_autoSaveRefactoringCheckBox->isChecked());
-    EditorManagerPrivate::setAutoSuspendEnabled(m_autoSuspendCheckBox->isChecked());
-    EditorManagerPrivate::setAutoSuspendMinDocumentCount(m_autoSuspendMinDocumentCount->value());
-    EditorManagerPrivate::setWarnBeforeOpeningBigFilesEnabled(
-        m_warnBeforeOpeningBigFiles->isChecked());
-    EditorManagerPrivate::setBigFileSizeLimit(m_bigFilesLimitSpinBox->value());
-    EditorManagerPrivate::setMaxRecentFiles(m_maxRecentFilesSpinBox->value());
-#ifdef ENABLE_CRASHPAD
-    ICore::settings()->setValue(crashReportingEnabledKey,
-                                m_enableCrashReportingCheckBox->isChecked());
-#endif
-
-    static_cast<Core::Internal::MainWindow *>(ICore::mainWindow())
-        ->setAskConfirmationBeforeExit(m_askBeforeExitCheckBox->isChecked());
 
     if (HostOsInfo::isMacHost()) {
         const Qt::CaseSensitivity sensitivity = EditorManagerPrivate::readFileSystemSensitivity(
@@ -487,13 +496,20 @@ void SystemSettingsWidget::showHelpForFileBrowser()
         showHelpDialog(Tr::tr("Variables"), UnixUtils::fileBrowserHelpText());
 }
 
-SystemSettings::SystemSettings()
-{
-    setId(Constants::SETTINGS_ID_SYSTEM);
-    setDisplayName(Tr::tr("System"));
-    setCategory(Constants::SETTINGS_CATEGORY_CORE);
-    setWidgetCreator([] { return new SystemSettingsWidget; });
-}
+// SystemSettingsPage
 
-} // namespace Internal
-} // namespace Core
+class SystemSettingsPage final : public IOptionsPage
+{
+public:
+    SystemSettingsPage()
+    {
+        setId(Constants::SETTINGS_ID_SYSTEM);
+        setDisplayName(Tr::tr("System"));
+        setCategory(Constants::SETTINGS_CATEGORY_CORE);
+        setWidgetCreator([] { return new SystemSettingsWidget; });
+    }
+};
+
+const SystemSettingsPage settingsPage;
+
+} // Core::Internal
diff --git a/src/plugins/coreplugin/systemsettings.h b/src/plugins/coreplugin/systemsettings.h
index c28c47e990c..18126e29fc9 100644
--- a/src/plugins/coreplugin/systemsettings.h
+++ b/src/plugins/coreplugin/systemsettings.h
@@ -3,16 +3,38 @@
 
 #pragma once
 
-#include <coreplugin/dialogs/ioptionspage.h>
+#include <utils/aspects.h>
 
-namespace Core {
-namespace Internal {
+namespace Core::Internal {
 
-class SystemSettings final : public IOptionsPage
+class SystemSettings final : public Utils::AspectContainer
 {
 public:
     SystemSettings();
+
+    Utils::BoolAspect autoSaveModifiedFiles{this};
+    Utils::IntegerAspect autoSaveInterval{this};
+
+    Utils::BoolAspect autoSaveAfterRefactoring{this};
+
+    Utils::BoolAspect autoSuspendEnabled{this};
+    Utils::IntegerAspect autoSuspendMinDocumentCount{this};
+
+    Utils::BoolAspect warnBeforeOpeningBigFiles{this};
+    Utils::IntegerAspect bigFileSizeLimitInMB{this};
+
+    Utils::IntegerAspect maxRecentFiles{this};
+
+    Utils::SelectionAspect reloadSetting{this};
+
+#ifdef ENABLE_CRASHPAD
+    Utils::BoolAspect enableCrashReporting{this};
+    Utils::BoolAspect showCrashButton{this};
+#endif
+
+    Utils::BoolAspect askBeforeExit{this};
 };
 
-} // namespace Internal
-} // namespace Core
+SystemSettings &systemSettings();
+
+} // Core::Internal