使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

Find out how to submit a case review and learn more about your Xbox enforcements.

Learn more about family group roles, permissions, and how you share data with Microsoft and your family.

若要为你的 Xbox Series X|S 或 Xbox One 主机注册或请求维修，你需要知道序列号。你可能还需要知道主机 ID 或设备 ID。

如何更改 (dpi) 的鼠标灵敏度。 dpi 是用于测量鼠标灵敏度的标准，表示设备可以检测的 dpis (每线性) 英寸的点数。

Get help with your questions about Microsoft Access with our how-to articles, training videos, and support content.

KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024

Get answers to all of your OneNote questions with our how-to articles, training videos, and support content.

Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.

发布时间：2021 年 8 月. 本文适用于无法升级到Windows 11的用户，因为他们的电脑当前未启用 TPM 2.0，或者他们的电脑能够运行 TPM 2.0，但未设置为这样做。