How to fix Error 0xc004f050

That error code means your PC system version is not windows 10 Pro
For using the key, need to install windows 10 Pro system first
then the key will works

You can download and install windows 10 Pro from https://www.microsoft.com/en-us/software-download/windows10

The follow tips may help, if you do not know how to download and install windows 10 Pro:
1, How to Install Windows 10 From a Bootable USB Drive
https://www.makeuseof.com/tag/windows-10-usb-boot-drive/

2, Upgrade your Windows 10 Home to Windows 10 Pro:
1, Disconnect the internet
2, Use the provisional universal key [VK7JG-NPHTM-C97JM-9MPGT-3V66T], and upgrade Windows 10 home to Windows 10 pro.
3, Reconnect the internet
4, Now you can activate Windows 10 pro with the key from us