了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。 BitLocker 是 Windows 加密技术，它通过加密驱动器并要求一个或多个身份验证因素才能解锁驱动器来保护数据免受未经授权的访问。

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。按“开始”按钮 ，然后在“搜索”框中输入“商店”。 从结果中选择 Microsoft Store 以打开应用。选择屏幕右上角的帐户，然后选择 兑换充值码或礼品卡。输入由 25 个字符组成的代码，选择 下一步，然后按照提示操作。

选择“ 开始 ” > “ 设置” > “ 系统” > “ 激活” 。. 如果你拥有有效产品密钥，请选择“更改产品密钥”，然后输入 25 个字符的产品密钥。. 如果没有有效产品密钥，请选择“转到 Microsoft Store”，根据说明购买 Windows 数字许可证。. 打开“激活”设置. 注意 ...

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

强制措施. Xbox 家庭组中的组织者可以查看其强制措施，以及其组中其他成员的强制措施。. 家庭组中的成员只能查看自己的强制措施。. 同一家庭组中的组织者必须提交针对子女帐户强制措施的案例评审。. 要管理 Xbox 家庭组，请参阅：. Microsoft Family Safety. 注意 ...

对于全屏（或全屏独占）模式下的电脑游戏，你将看不到 Game Bar，但可以使用 Windows 徽标键 + Alt + R 来开始和停止录制。 录制开始和完成后，将看到屏幕闪烁。 如果已启用后台录制，还可以使用 Windows 徽标键 + Alt + G 来录制最后 30 秒（或你选取的任何时间）内容。

Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...