Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Get to know Game Bar on Windows | Xbox Support
Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.
激活 Windows - Microsoft 支持
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。
Solicitar un reembolso de juegos digitales | Xbox Support
Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Record a meeting in Microsoft Teams - Microsoft Support
Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.
Applies To:
Microsoft Teams
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
Check or change language settings - Microsoft Support
Set the region, device language, and spoken language for your products and services.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)
Back up your folders with OneDrive - Microsoft Support
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.
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
How to close your Microsoft account - Microsoft Support
Learn about what effect closing a Microsoft account might have on your other apps and services.