了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。 通过检查管理员上方是否显示电子邮件地址，确认管理员帐户也是你的 Microsoft 帐户。 如果显示了电子邮件地址，则这是 Microsoft 帐户。

Windows 10更新助手在您的设备上下载并安装功能更新。 功能更新，例如 Windows 10 版本 1909（又称作 Windows 10 2019 年 11 月更新）提供新功能，并帮助保持系统安全。

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Learn how to view and delete your browser history and other history in Microsoft Edge.

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。 注意: 在Windows中获取驱动程序更新的最佳和最安全的方法始终是通过Windows 更新。如果在Windows 更新时遇到问题，则可能会看到 Update Windows 中的任何链接是否可帮助你先解决问题。

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Learn how to use the On-Screen Keyboard (OSK) instead of a physical keyboard to type and enter text on your PC.