了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Decide which documents to recover from an unexpected close, delete recovered files you don't want, or close recovered files to review later.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Learn more about how to print web pages and documents in Microsoft Edge.

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.

Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.