Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.

Learn how to reset your Microsoft Surface and solve problems using a USB recovery drive or Surface recovery image.

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

Learn how to update your Xbox console offline. Unplug the network cable if you're using a wired network connection. Power off your console, and then unplug the power cord to ensure that the console is completely powered off.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.