Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

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.

在浏览 Web 时，Microsoft Edge 可以轻松保存密码。 在桌面或移动设备上的 Edge 浏览器中输入新密码时，Microsoft Edge 会询问你是否要记住用户名和密码。

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

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

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.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.