diff --git a/README.md b/README.md
index 86e9b1eb787..1d9834f2a35 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ https://doc.qt.io/qtcreator/creator-overview.html
 
 The standalone binary packages support the following platforms:
 
-* Windows 7 or later
+* Windows 7 (64-bit) or later
 * (K)Ubuntu Linux 18.04 (64-bit) or later
 * macOS 10.13 or later
 
diff --git a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
index 00ad408e575..b01aec102e3 100644
--- a/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
+++ b/doc/qtcreator/src/overview/creator-only/creator-desktop-platforms.qdoc
@@ -74,7 +74,7 @@
 
     \section1 Windows
 
-    Windows 7 or later is supported.
+    Windows 7 (64-bit) or later is supported.
 
     \note Some \QC plugins rely on Direct3D (part of DirectX). You might
     have to manually enable support for it if you are running Windows in a