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。

Learn about what effect closing a Microsoft account might have on your other apps and services.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

Learn how to set up a connection to a proxy server on your Windows PC.

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