iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

Learn how to create installation media for installing or reinstalling Windows.

需要有关 XBOX 主机、XBOX 游戏或 XBOX 网络的帮助?了解如何与我们联系。

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。

If you’re having trouble with the reset options in Windows, you’ll need to download these recovery files to get your Surface working again.

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Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Disc to digital licensing on XBOX is a new way to make many of your disc-based games easier to access wherever you play. When you use an eligible XBOX One or XBOX Series X game disc, Microsoft may grant a digital license associated with that disc. This allows you to access supported digital versions of the game without keeping the disc inserted while playing.