Learn how to troubleshoot and fix problems setting up your email in Outlook.

Word 2021 for Windows gives you new ways to create compelling content. This article provides an overview of the new features you can discover.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

开始之前. 确保要安装 Windows 11 的设备满足最低系统要求。 如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Apprenez à activer Windows à l'aide d'une clé de produit ou d'une licence numérique, à vérifier l'état de votre activation et à lier votre compte Microsoft.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files. In Windows, you work with zipped files and folders in the same way that you work with uncompressed files and folders.