若要登录到 Hotmail，需要提供 Microsoft 帐户用户名和密码。. 登录. 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“ 是 ”（对于共享计算机，不建议这样做）。. 或者，选中“不再显示此内容”框，然后选择“ 否 ”，以便每次都提示 ...

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Go to Settings and more > Settings > Profiles > Passwords . Next to the password you want to change, select More actions , and then select Edit. When prompted, authenticate yourself to the operating system to get access to the password information. After you successfully authenticate yourself, in the Edit password dialog, update your password ...

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

了解如何修复 Windows 中的声音或音频问题。 如果你有多个要插入的 5 毫米插孔（尤其是在环绕音响系统上），请确保所有电线和线缆都插入到了正确的插孔中。

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

Learn how to adjust the time and time zone settings on your Windows device with this Microsoft Support guide.

Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console. Learn how to sign out of your Xbox. ...