Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

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Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.

开始之前 你的 Surface 附带 Windows 恢复信息，可使用它恢复 Surface 或将其重置为出厂状态。 请在下载恢复映像前始终先尝试这样做。

Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.

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Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Equation Editor (Microsoft Equation 3.0) was included in earlier versions of Word, but was removed from all versions in the January 2018 Public Update (PU) and replaced with a new equation editor.