Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

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

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Microsoft Edge 允许阻止来自特定网站的 Cookie，但这样做可能会阻止某些页面正确显示，或者你可能会从某个站点收到一条消息，告知你需要允许 Cookie 查看该网站。

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Découvrez comment activer Office préinstallé sur de nouveaux PC Windows 10 ou à l’aide d’une nouvelle clé de produit.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.