Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

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

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

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.

Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.

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

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

Use Find my device to locate and lock your lost or stolen Windows devices.