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

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

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

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。

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

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: