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How can i reinstall the pro version of win 10 free upgrade? I did the wrong one.


WPCentral Question

I did the free win 10 upgrade on my window 8 laptop. My laptop has the pro version of windows 8 64 and i accidentally selected the home version of windows 10 64. I have a usb drive with windows 10 on it but when i try to install it asks for a product key. I don't have a windows 10 product key nor do i see any stickers on my laptop with my old windows 8 product key.

I already tried to revert back to windows 8 and then just do the free upgrade the normal way again but it said that the files were no longer on my computer so i could not revert. What can I do? Thanks.