Learn how to find your Windows product key for activation or when to use a digital license instead.

Use Microsoft Teams (work or school) for a Microsoft work or school account or a guest account in Windows 11. Also, find out which version of Teams you’re using.

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

了解如何安装 Windows 11，包括在“设置”中访问 Windows 更新页的建议选项。

Learn about different things you can try to fix Ethernet network connection problems in Windows

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Note: The Phone Link doesn't currently support multiple Android profiles or work/school accounts. How to link your devices starting from Phone Link Make sure to have both your PC and Android device nearby, turned on, and connected to the same Wi-Fi network.

How to display desktop icons in Windows. Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer.