I'm making my first computer and want windows 8. I want. I want to be able to upgrade the motherboard later in my pc life without buying windows again. I remind you the pc has no data and I want to eventually upgrade the mother board so can u send me a link on amazon of a windows installation disc and key cheap as possible . Can you explain to me what's the difference and please send me a link to a windows I can install on my fort Time build and evenualtly switch to another mother board cheap thanks