You can undo, redo, or repeat many actions in Microsoft Word, PowerPoint, and Excel. You can undo changes, even after you have saved, and then save again, as long as you are within the undo limits (By default Office saves the last 100 undoable actions).

When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Find out how to customize an Xbox Wireless Controller with the Xbox Accessories app.

Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.

可以通过两种方式将 Xbox 无线控制器连接到主机：使用主机的“配对”按钮 进行无线连接和使用 USB 到 micro-USB 电缆（或 USB 到 USB-C 电缆）进行有线连接。

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.