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。

Découvrez comment mettre à jour des pilotes dans Windows à l’aide de Gestionnaire de périphériques pour mettre à jour ou réinstaller un pilote.

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 get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

How to access and change the privacy settings in Windows 10 and 11.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.