Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Erfahren Sie, wie Sie die App „PC-Integritätsprüfung“ verwenden, um die Leistung Ihres Geräts zu verbessern.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.