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。

Find out how to change privacy settings for your camera and microphone in Windows.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

Learn how to manage background activity for apps to help save battery power in Windows.

Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Узнайте, как устранить проблемы Bluetooth в Windows. Устраняйте проблемы с подключением Bluetooth-устройства или аксессуара.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.