Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

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。 如果有某个需要使用的应用被阻止，则可允许它通过防火墙，而不要关闭防火墙。

Microsoft 365 for business If your business subscription plan includes the desktop version of the Microsoft 365 apps you won't see an option to install it unless someone in your organization assigned a license to you.. Learn how to check this in What Microsoft 365 business product or license do I have? or if you're a Microsoft 365 admin responsible for assigning licenses to people in your ...

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Управление дисками в Windows помогает выполнять дополнительные задачи с хранилищем, такие как инициализация нового диска, расширение и сжатие томов. Управление дисками в Windows помогает выполнять дополнительные задачи с ...

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了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。 如果你将同一 Windows 设备用于个人和学校或企业工作，你可能希望连接这些帐户，以便更轻松地访问与每个帐户关联的文件、电子 ...