Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

Find a rundown of new and updated features and functionality that’s been added to XBOX consoles in the latest system updates.

With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications. By using System Restore, you can undo these changes without affecting your personal files, providing a safe way to resolve problems without losing ...

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Check the XBOX services, games, and apps for any service outages.

檢查此頁面以了解 Xbox 功能和服務的狀態更新。

Windows 11 Windows 10 Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > and then select Troubleshoot .

获取更改 Microsoft Edge、Internet Explorer 11、Google Chrome、Firefox 和 Safari 中的主页的步骤。