There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

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提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

To make sure your device can successfully update and that it runs its best, Windows reserves a portion of storage space on your device for use by temporary files, caches, and other files.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

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

In Windows 10, action center is where you'll find your app notifications and quick actions—which give you quick access to commonly used settings and apps.

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