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).

TL;DR: Windows 10 Pro is still a great option for older devices that need a quality OS upgrade, and you can get it for life for only $22.97 until July 21.

Save 84% on Windows 10 Pro at the Mashable Shop: For $30, upgrade up to three computers.

When you reset a PC that originally shipped with Windows 10 or Windows 11 Home edition, the activation process might restore that edition. Fortunately, it's easy to restore your Pro upgrade.