Step 1: Clear your PC of viruses or malware before you change your password. If you have a good antivirus program installed, make sure it's up to date and then do a full scan of your system.

Notes: If you don't see an option to Cancel, but instead see a link that says Turn on recurring billing, this means your subscription is already set to expire on the date shown and you won't be automatically charged after this date. There's nothing further to do at this time, and you can continue to use the product until your Microsoft 365 subscription expires.

如果你没有台式电脑并且滑块未显示或不起作用，请尝试更新显示驱动程序。 在任务栏上选择"搜索"，键入"设备管理器"，然后从结果列表中选择"设备管理器"。在"设备管理器"中，选择"显示适配器"，然后选择显示适配器。长按 (或右键) 显示适配器名称，然后选择"更新驱动程序"并按照说明操作。

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine.

Notes: This feature is not supported if you sign in with a work/school account. If you use an authenticator app or other multifactor sign in, you will need an app password to sign in.. If you want to create another email address that uses the same inbox, sent, items, and contact list as your existing Outlook.com account, read how to create an email alias.

Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).

大部分应用程序（例如 Microsoft Word、Excel 和 PowerPoint）在安装软件时会自动安装字体。 例如，Microsoft Publisher 等专为文档设计项目而创建的应用程序通常带有许多额外的字体，可在计算机上的其他任何程序上使用。

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

Warning When removing an email alias that’s connected to a Microsoft domain (such as @Outlook.com, @Live.com, or @Hotmail.com), that email is completely deleted from our systems and can’t be used to send or receive emails. It won’t be available for use again as an alias on another account. Microsoft doesn’t recycle email addresses, so it can’t be reclaimed at a future time.