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

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

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.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

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

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

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.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.