Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

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。

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

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

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

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

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

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

Learn ways to fix common printing problems in Windows 10. Reinstall your printer. If your printer is turned on and connected to the network, Windows should find it easily.