Windows 10 Home - Pro Direct

If you cannot enter a key to upgrade windows 10 from home to pro due to an error, insert a windows 10 installation usb and run the following command from an elevated command prompt:

setup.exe /auto upgrade /pkey < YOUR WINDOWS PRO EDITION PRODUCT KEY >

The generic upgrade key is VK7JG-NPHTM-C97JM-9MPGT-3V66T