How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Use the Windows Settings app to change your desktop backgrounds and colors.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

Get steps for how to change screen brightness in Windows.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

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