Windows 11 Can not activate windows 11 pro 0xc004c003 0x803fa067

  • Thread starter Thread starter NouR M.Zak
  • Start date Start date
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NouR M.Zak

Dear Sir/MadamI originally bought my pc with a windows license for windows 10 pro 64-bit. Recently I had to reinstall windows as I wanted to switch back from RAID to AHCI.After installing windows and choosing I have no product key as I already had windows activated and thought it would work.I chose the option for windows 11 pro as this would be the equivalent for my windows 10 upgrade. After installation I could not Activate my windows as I keep getting error messages when i troubleshoot 0x803fa067 and 0xc004c003. Also it shows that my windows version is windows 11 pro for workstations.I have

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