davidhk129 Posted April 15, 2014 Share Posted April 15, 2014 I am now using Win 8.1.1 Pro. I upgraded from Vista to Win 8 Pro, then to Win 8.1 Pro via Windows Store. I have created a bootable Win 8.1 USB and a bootable 8.1 DVD. My question is ...... If I need to use it to re-install Win 8.1 in the same machine, does it ask for product key ? If yes, do I use the Win 8 key, or do I have to use a generic key to install and then change it to the real Win 8 key afterwards to activate ? Thank you. Link to comment Share on other sites More sharing options...
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