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Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

Learn how to access the Control Panel in Windows for managing your system settings and programs.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

在需要添加参与者的现有群聊中选择或处于活动状态。 在 Teams 右上角的个人资料图片下方选择“ 查看并添加参与者 ”，然后选择“ 添加人员 ”。 选择添加的参与者的姓名，然后选择是否以及要包含多少聊天历史记录。

按住 Xbox 按钮 3 秒打开控制器。 打开控制器时，Xbox 按钮 将开始闪烁。 长按控制器顶部的的“配对”按钮 （凸起按钮）。 控制器上的 Xbox 按钮 将加速闪烁 - 这意味着控制器正在搜索电脑。; 在电脑上，按“开始”按钮 ，然后选择“设置” > 设备（在 Windows 11 上：设置 > 蓝牙和设备）。

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Select Add a printer or scanner.. Wait for it to find nearby scanners, then choose the one you want to use and select Add device.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.