Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

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

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

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。

Use Find my device to locate and lock your lost or stolen Windows devices.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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.

How to access and change the privacy settings in Windows 10 and 11.