To upgrade your Windows 10 PC from Home to Pro, go to Settings > Update & Security > Activation. Check if you have an old product key from Windows Pro (7, 8, 8.1, for example). These keys can be ...

For Windows 10 Home, Windows 10 Pro, Windows 10 Pro Education, and Windows 10 Pro for Workstations, version 21H2 will stop being offered updates — including security updates — after June.