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。

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

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

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。

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Learn how to make items on the screen appear larger by using Magnifier in Windows.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

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.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.