Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

通过语音键入，可以通过说话在电脑上输入文本。 语音键入使用由 Azure 语音服务提供支持的联机语音识别。

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.

了解 Windows 中的智能充电如何帮助电池持续更长时间。

了解如何接收从 Microsoft 购买的商品的退款或换货。