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

Rename your device to make it easier to identify if if you use multiple computers with your Microsoft account.

Windows 11, version 21H2; July 9, 2024—KB5040431 (OS Build 22000.3079) June 11, 2024—KB5039213 (OS Build 22000.3019) May 14, 2024—KB5037770 (OS Build 22000.2960)

Learn how Smart charging in Windows can help your battery last longer over time.

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.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.