Create a team from scratch in Microsoft Teams
Learn how to create a team from scratch in Microsoft Teams with step-by-step instructions and tips for managing teams and groups.
Applies To:
Microsoft Teams
Use Game Bar to play and chat with friends | Xbox Support
Stay connected to the Xbox community! See what friends are up to, start a text or voice chat, and find players for multiplayer games.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Protect yourself from tech support scams - Microsoft Support
Learn how to protect your PC, identity, and data from tech support scams.
Choose between the 64-bit or 32-bit version of Office
Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Fix connections to Bluetooth audio devices - Microsoft Support
Learn how to troubleshoot and fix Bluetooth audio connection issues in Windows 10 and 11.
Use a proxy server in Windows - Microsoft Support
Learn how to set up a connection to a proxy server on your Windows PC.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
Camera app shows error "0xA00F4244 NoCamerasAreAttached"
Get help when Windows can't find the camera