Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

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。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

Questions and answers about artificial intelligence (AI), and how it's used in Microsoft products such as Microsoft Copilot.

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

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

A Microsoft account is a personal account required for access to Microsoft’s products and services.