Windows 10: Windows 10 new install, error code; 0xC004C003

Hello Microsoft. My friend bought us licence for 2 PCs on March 2022. He was using his licencse for some time now I can ask him how long of thats viable info, I have decided just recently to install windows 10 i had win 7 before and did clean install. So, when I installed win 10 for first time i entered my cdkey and everything was fine. Then next day I had error.. "We cant active windows... error code: 0xC004C003".Support where we bought cdkey says they have only 30 days "support" and this is almost 1 year later. So they can't help us.Let me know if you need slmgr.vbs /dlv print screen fro

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Error code: 0xC004C003


hi im getting activation error Error code: 0xC004C003 on my laptop i bought the laptop brand new from argos last year then did windows update and upgraded to windows 8.1 from 8 i have done the upgrade to windows 10 option but im unable to activate Error code: 0xC004C003 windows when i click go to store it wants me to pay £99 can anyone help

 

Error code: 0xC004C003


here is a screenshot





whena try cmd trick i get

 

Error code: 0xC004C003

That error code indicates that the key is not valid... make sure you have the correct key for the edition you have installed and activate as Slarty has linked.