How to sign in to Microsoft Teams with modern authentication. How to sign in to Microsoft Teams is you are having trouble.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

获取与管理你的 Xbox 订阅、帐单问题等有关的详细信息。

If your Xbox One or Xbox Series X|S console is having network connection issues of any kind, we’ll point you to the best solution for the specific type of connection issue you’re experiencing.

Xbox 家长控制应用允许组织者（成人）从其 iOS 和 Android 移动设备管理其 Xbox 家庭组成员的安全设置和在线活动。

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Troubleshoot email setup on your iPhone, iPad or Android device.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

This article explains the diagnostic data collected by Microsoft 365 applications, what that data contains, and why it is collected.

Learn which languages are supported in Narrator in Windows and how to adjust your Narrator Settings.