Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

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

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

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

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。

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

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Узнайте, как установить, переустановить или активировать Microsoft 365 или Office 2019 на компьютере или Mac.