Your Windows 10 product key serves as proof that you actually own Windows 10, and might need to be entered when you reinstall or upgrade Windows.

You can check for updates on Windows 10 by going to your "Update & Security" menu. If an update is available, it'll begin ...

After October 14, 2025, Microsoft will no longer release any regular updates to Windows 10. The company may make exceptions if a really serious security flaw is discovered — this has happened with ...

Microsoft will end support for its most popular OS in less than a week. Here's what to do with your Windows 10 PCs that fail Microsoft's Windows 11 compatibility tests.

Learn the Windows 11 25H2 key features, bugs, security updates, and whether the Microsoft Windows update is worth installing now.