With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

若要在Windows 11电脑上管理输入和显示语言设置的所有方面，请使用以下方法。

Learn how to fix Outlook.com email sync issues if you can't receive or send messages.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

Describes an update for Universal C Runtime (CRT) in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, Windows RT, Windows Server 2012, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows Vista SP2, or Windows Server 2008 SP2.

Find out how the Windows location service works and how to change the location privacy settings.

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.