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windows 10 home to pro
I have just bought a laptop with windows 10 home and I want to upgrade to 10 pro.
I have a valid license for windows 7 pro which I installed wiping the partitions fro the 10 home install.
This went ok and was activated as 7 pro. I then I attempted to upgrade using an extracted ISO of windows 10 downloaded from Microsoft and I now have windows 10 home again.
I don't want to have to pay $150 for the 10 pro upgrade from the app store if I can avoid it.
How do I get windows 10 pro from the windows 7 pro and retain secure boot?