This article explains how to upgrade from Windows 10 Home to Windows 10 Pro through the Windows Store or by entering your Pro product key. You can find out which version of Windows you have by checking your system settings.
How to Upgrade Windows 10 Home to Pro
If you haven’t paid for Pro yet and no one gave you a copy, the easiest way to upgrade is through the Windows Store. Here’s how:
First, check if Windows updates are available on your PC.
Then select Start Menu > Settings.