Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Learn how to use Microsoft Teams, a collaboration app built for hybrid work, to stay informed, organized, and connected.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Learn how to shut down, sleep, or hibernate your PC. When you’re ready to make your PC sleep, just press the power button on your desktop, tablet, or laptop, or close your laptop’s lid.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

更改第一页上的页眉或页脚，或者文档中的任何其他页面。

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.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Download printer drivers. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers.