If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

When you use Game Mode, Windows prioritizes your gaming experience by turning things off in the background. When you’re running a game, Game Mode: Prevents Windows Update from performing driver installations and sending restart notifications.

You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

查看此处以了解我们当前正在跟踪的已知游戏问题，并了解可以对其执行的操作。. 如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你 ...

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Desktop Themes. A theme is a combination of desktop background pictures, window colors, and sounds. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop.

打开 Game Bar，在 Windows 10/11 设备上掌控所有你最喜爱的游戏活动。. 注意 若要在 Game Bar 中使用许多 Xbox 功能，必须安装适用于 Windows 的 Xbox 应用并登录。. 有关适用于 Windows 的 Xbox 应用的全部内容. 重要 本文内容基于 Windows 的最新版本。.