diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index 1d7ec46c110..4e623f658f2 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -238,6 +238,19 @@ int QOperatingSystemVersion::compare(const QOperatingSystemVersion &v1,
     return compareVersionComponents(v1.m_major, v2.m_major);
 }
 
+/*!
+    \fn QVersionNumber QOperatingSystemVersion::version() const
+
+    \since 6.1
+
+    Returns the operating system's version number.
+
+    See the main class documentation for what the version number is on a given
+    operating system.
+
+    \sa majorVersion(), minorVersion(), microVersion()
+*/
+
 /*!
     \fn int QOperatingSystemVersion::majorVersion() const
 
@@ -249,7 +262,7 @@ int QOperatingSystemVersion::compare(const QOperatingSystemVersion &v1,
 
     -1 indicates an unknown or absent version number component.
 
-    \sa minorVersion(), microVersion()
+    \sa version(), minorVersion(), microVersion()
 */
 
 /*!
@@ -263,7 +276,7 @@ int QOperatingSystemVersion::compare(const QOperatingSystemVersion &v1,
 
     -1 indicates an unknown or absent version number component.
 
-    \sa majorVersion(), microVersion()
+    \sa version(), majorVersion(), microVersion()
 */
 
 /*!
@@ -277,7 +290,7 @@ int QOperatingSystemVersion::compare(const QOperatingSystemVersion &v1,
 
     -1 indicates an unknown or absent version number component.
 
-    \sa majorVersion(), minorVersion()
+    \sa version(), majorVersion(), minorVersion()
 */
 
 /*!
diff --git a/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h
index 37ace76755d..2058ca3fc70 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -38,6 +38,7 @@
 ****************************************************************************/
 
 #include <QtCore/qglobal.h>
+#include <QtCore/qversionnumber.h>
 
 #ifndef QOPERATINGSYSTEMVERSION_H
 #define QOPERATINGSYSTEMVERSION_H
@@ -45,7 +46,6 @@
 QT_BEGIN_NAMESPACE
 
 class QString;
-class QVersionNumber;
 
 class Q_CORE_EXPORT QOperatingSystemVersion
 {
@@ -114,6 +114,8 @@ public:
 #endif
     }
 
+    QVersionNumber version() const { return QVersionNumber(m_major, m_minor, m_micro); }
+
     constexpr int majorVersion() const { return m_major; }
     constexpr int minorVersion() const { return m_minor; }
     constexpr int microVersion() const { return m_micro; }