Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn more about the Windows Security app here.

Learn what's new in the latest Windows update. Explore new features and apps to help you be more productive.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

欢迎使用Windows 11！ 了解新功能、升级常见问题解答、设备生命周期和支持选项。