Learn how to reinstall Windows on your PC and how activation works after it's installed.

如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...

Learn what you can do if you're not receiving account aign-in verification codes.

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

Find out how to change privacy settings for your camera and microphone in Windows.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Visio is a diagraming tool that makes it easy and intuitive to create flowcharts, diagrams, org charts, floor plans, engineering designs, and more by using modern templates with the familiar Office experience. On this page, you can access some of the top templates and sample diagrams available in Visio, or request ones that you want. To see the hundreds of templates and sample diagrams ...

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

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

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.