Some costumers are facing this problem while they try to activate windows 10 Pro but they receive an error message ending in 0xc004f050.

This happens because you may be using a windows 10 Pro activation key on a windows Home, to fix that you need to do upgrade your windows from Home to Pro then you can activate your Pro with the purchased key. This does not happen if you are installing a fresh copy of Windows.

Upgrading your Windows Home to Pro

Before you start the upgrade process please disconnect your computer from the internet or WiFi
1- Go to your computer setting by clicking right-click on “This PC or My computer” and chose properties.

2- Settings tab will show up “or it may be a little different ”. Choose “change product key” The option may be different but the purpose is to open Windows activation tab.

After that, “while the internet is disconnected” insert the following upgrade key 

DONT USE THE KEY YOU BOUGHT FROM US TO UPGRADE, SAVE IT FOR ACTIVATION AFTER THE UPGRADE use the following key to upgrade:

Windows Pro upgrade key:  VK7JG-NPHTM-C97JM-9MPGT-3V66T

after the upgrade is done, reboot your computer and connect it to the internet.

Activate your Windows 10/11 Pro

**Now you have Windows upgraded to the PRO version but not activated.
to activate it you only need to get your license key for Windows 10 pro version using link bellow
Windows 10 pro activation key
so now you can directly use your activation key.
and there you have it your computer is upgraded and activated.