Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

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). ...

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Get troubleshooting tips to fix problems with apps from Microsoft Store.

About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience.

Learn how to update your Xbox console offline.