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

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

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.

We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...

How to stop website notifications in Microsoft Edge. You can remove or block notifications for individual websites in the following ways: Remove or block notifications in Edge 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.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

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。

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