You will now have to downgrade your previous Windows, activate it, install updates, and then upgrade to Windows 10. In case you attempted a clean installation of Windows 10, you probably have ended up here searching for the solution to error “0xC003C004”. Method 1 – Downgrade to previous Windows and then Upgrade.
Method 2 is recommended for users getting the error code “0xC003C004” after attempting a clean install on your PC. Please Note: Both the methods work, considering you have a genuine copy of windows. I will now show you two ways in which you can resolve this issue.
