diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index cca503ffae..3942e0e9bb 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -424,6 +424,48 @@ const QOperatingSystemVersion QOperatingSystemVersion::Windows8_1 =
 const QOperatingSystemVersion QOperatingSystemVersion::Windows10 =
     QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10);
 
+/*!
+    \variable QOperatingSystemVersion::Windows10_1809
+    \brief a version corresponding to Windows 10 1809 (version 10.0.17763).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_1903
+    \brief a version corresponding to Windows 10 1903 (version 10.0.18362).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_1909
+    \brief a version corresponding to Windows 10 1909 (version 10.0.18363).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_2004
+    \brief a version corresponding to Windows 10 2004 (version 10.0.19041).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_20H2
+    \brief a version corresponding to Windows 10 20H2 (version 10.0.19042).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_21H1
+    \brief a version corresponding to Windows 10 21H1 (version 10.0.19043).
+    \since 6.3
+ */
+
+/*!
+    \variable QOperatingSystemVersion::Windows10_21H2
+    \brief a version corresponding to Windows 10 21H2 (version 10.0.19044).
+    \since 6.3
+ */
+
 /*!
     \variable QOperatingSystemVersion::OSXMavericks
     \brief a version corresponding to OS X Mavericks (version 10.9).
diff --git a/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h
index 3c87dc9966..040df61de4 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -221,6 +221,14 @@ public:
     static constexpr QOperatingSystemVersionBase Android11 { QOperatingSystemVersionBase::Android, 11, 0 };
 #endif // New (static constexpr) entries go here, only cherry-pick as far back as 6.3 (QTBUG-97808):
 
+    static constexpr QOperatingSystemVersionBase Windows10_1809 { QOperatingSystemVersionBase::Windows, 10, 0, 17763 }; // RS5
+    static constexpr QOperatingSystemVersionBase Windows10_1903 { QOperatingSystemVersionBase::Windows, 10, 0, 18362 }; // 19H1
+    static constexpr QOperatingSystemVersionBase Windows10_1909 { QOperatingSystemVersionBase::Windows, 10, 0, 18363 }; // 19H2
+    static constexpr QOperatingSystemVersionBase Windows10_2004 { QOperatingSystemVersionBase::Windows, 10, 0, 19041 }; // 20H1
+    static constexpr QOperatingSystemVersionBase Windows10_20H2 { QOperatingSystemVersionBase::Windows, 10, 0, 19042 };
+    static constexpr QOperatingSystemVersionBase Windows10_21H1 { QOperatingSystemVersionBase::Windows, 10, 0, 19043 };
+    static constexpr QOperatingSystemVersionBase Windows10_21H2 { QOperatingSystemVersionBase::Windows, 10, 0, 19044 };
+
     constexpr QOperatingSystemVersion(const QOperatingSystemVersionBase &osversion)
         : QOperatingSystemVersionBase(osversion) {}