diff --git a/src/corelib/kernel/qwinregistry.cpp b/src/corelib/kernel/qwinregistry.cpp
index 760e2d4e8df..2bd1518e5be 100644
--- a/src/corelib/kernel/qwinregistry.cpp
+++ b/src/corelib/kernel/qwinregistry.cpp
@@ -8,6 +8,8 @@
 #include <QtCore/qdebug.h>
 #include <QtCore/qendian.h>
 #include <QtCore/qlist.h>
+#include <QtCore/qwineventnotifier.h>
+#include <QtCore/private/qsystemerror_p.h>
 
 #include <ntstatus.h>
 
@@ -20,14 +22,17 @@ QT_BEGIN_NAMESPACE
 
 using namespace Qt::StringLiterals;
 
-QWinRegistryKey::QWinRegistryKey()
+QWinRegistryKey::QWinRegistryKey(QObject *parent)
+    : QObject(parent)
 {
 }
 
 // Open a key with the specified permissions (KEY_READ/KEY_WRITE).
 // "access" is to explicitly use the 32- or 64-bit branch.
 QWinRegistryKey::QWinRegistryKey(HKEY parentHandle, QStringView subKey,
-                                 REGSAM permissions, REGSAM access)
+                                 REGSAM permissions, REGSAM access,
+                                 QObject *parent)
+    : QObject(parent)
 {
     if (RegOpenKeyExW(parentHandle, reinterpret_cast<const wchar_t *>(subKey.utf16()),
                       0, permissions | access, &m_key) != ERROR_SUCCESS) {
@@ -174,6 +179,45 @@ QString QWinRegistryKey::stringValue(QStringView subKey) const
     return value<QString>(subKey).value_or(QString());
 }
 
+void QWinRegistryKey::connectNotify(const QMetaMethod &signal)
+{
+    if (signal != QMetaMethod::fromSignal(&QWinRegistryKey::valueChanged))
+        return;
+
+    if (!isValid())
+        return;
+
+    if (m_keyChangedEvent)
+        return;
+
+    m_keyChangedEvent.reset(CreateEvent(nullptr, false, false, nullptr));
+    auto *notifier = new QWinEventNotifier(m_keyChangedEvent.get(), this);
+
+    auto registerForNotification = [this] {
+        constexpr auto changeFilter =
+              REG_NOTIFY_CHANGE_NAME
+            | REG_NOTIFY_CHANGE_ATTRIBUTES
+            | REG_NOTIFY_CHANGE_LAST_SET
+            | REG_NOTIFY_CHANGE_SECURITY;
+
+        if (auto status = RegNotifyChangeKeyValue(m_key, true, changeFilter,
+            m_keyChangedEvent.get(), true); status != ERROR_SUCCESS) {
+            qWarning() << "Failed to register notification for registry key"
+                       << this << "due to" << QSystemError::windowsString(status);
+        }
+    };
+
+    QObject::connect(notifier, &QWinEventNotifier::activated, this,
+        [this, registerForNotification] {
+            emit valueChanged();
+            registerForNotification();
+        });
+
+    registerForNotification();
+
+    return QObject::connectNotify(signal);
+}
+
 #ifndef QT_NO_DEBUG_STREAM
 QDebug operator<<(QDebug debug, const QWinRegistryKey &key)
 {
diff --git a/src/corelib/kernel/qwinregistry_p.h b/src/corelib/kernel/qwinregistry_p.h
index 4422b6a93b1..12f30d81374 100644
--- a/src/corelib/kernel/qwinregistry_p.h
+++ b/src/corelib/kernel/qwinregistry_p.h
@@ -20,17 +20,21 @@
 #include <QtCore/qstringview.h>
 #include <QtCore/qt_windows.h>
 #include <QtCore/qvariant.h>
+#include <QtCore/qmetaobject.h>
+#include <QtCore/private/quniquehandle_types_p.h>
 
 QT_BEGIN_NAMESPACE
 
-class Q_CORE_EXPORT QWinRegistryKey
+class Q_CORE_EXPORT QWinRegistryKey : public QObject
 {
     Q_DISABLE_COPY(QWinRegistryKey)
+    Q_OBJECT
 
 public:
-    QWinRegistryKey();
+    QWinRegistryKey(QObject *parent = nullptr);
     explicit QWinRegistryKey(HKEY parentHandle, QStringView subKey,
-                             REGSAM permissions = KEY_READ, REGSAM access = 0);
+                             REGSAM permissions = KEY_READ, REGSAM access = 0,
+                             QObject *parent = nullptr);
     ~QWinRegistryKey();
 
     QWinRegistryKey(QWinRegistryKey &&other) noexcept
@@ -64,8 +68,15 @@ public:
     friend Q_CORE_EXPORT QDebug operator<<(QDebug dbg, const QWinRegistryKey &);
 #endif
 
+Q_SIGNALS:
+    void valueChanged();
+
+protected:
+    void connectNotify(const QMetaMethod &signal) override;
+
 private:
     HKEY m_key = nullptr;
+    QUniqueWin32NullHandle m_keyChangedEvent;
 };
 
 QT_END_NAMESPACE
diff --git a/tests/auto/corelib/kernel/qwinregistrykey/tst_qwinregistrykey.cpp b/tests/auto/corelib/kernel/qwinregistrykey/tst_qwinregistrykey.cpp
index 2d11d5b31f4..8125851c531 100644
--- a/tests/auto/corelib/kernel/qwinregistrykey/tst_qwinregistrykey.cpp
+++ b/tests/auto/corelib/kernel/qwinregistrykey/tst_qwinregistrykey.cpp
@@ -99,6 +99,7 @@ private Q_SLOTS:
     void cleanupTestCase();
     void qwinregistrykey();
     void name();
+    void valueChanged();
 
 private:
     bool m_available = false;
@@ -266,6 +267,28 @@ void tst_qwinregistrykey::name()
     }
 }
 
+void tst_qwinregistrykey::valueChanged()
+{
+    if (!m_available)
+        QSKIP("The test data is not ready.");
+
+    QWinRegistryKey testKey(HKEY_CURRENT_USER, TEST_KEY, KEY_READ | KEY_WRITE);
+    QVERIFY(testKey.isValid());
+
+    QVERIFY(write(testKey, u"valueThatCanChange", -1));
+
+    bool valueChanged = false;
+    QObject::connect(&testKey, &QWinRegistryKey::valueChanged, [&] {
+        valueChanged = true;
+    });
+
+    for (int i = 0; i < 10; ++i) {
+        valueChanged = false;
+        QVERIFY(write(testKey, u"valueThatCanChange", i));
+        QTRY_VERIFY(valueChanged);
+    }
+}
+
 QTEST_MAIN(tst_qwinregistrykey)
 
 #include "tst_qwinregistrykey.moc"