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.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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 OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.