Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to sign in or out of your Outlook.com email account, and get solutions for common login issues.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

On your home router. Try these things first to help you fix or narrow down the connection problem. Check the Ethernet cable and connection.Make sure the Ethernet cable is securely plugged into the Ethernet port on both your router and Windows 11 PC.

Enter your current password, enter your new password, and then select Save.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.