如果未登录. 若要从历史记录中清除单个搜索，请在" 搜索历史记录"页上，单击要删除的搜索旁边的 x。 若要清除所有搜索历史记录，请在"搜索历史记录 "页面上的"更改历史记录设置"下，单击"全部清除"。 这会删除此设备上的任何搜索历史记录。

Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Get in touch with Microsoft Support for assistance with Microsoft products and services.

Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.