DABhand posted on Aug 13, 2015 4:16:25 PM - Report post
They aren't useless, if you install without the key and try to activate it will go nuts as it would, then you have to sit there and explain over the phone that you legitimately got a free upgrade from Windows 7 or 8.
They can easily say "nope, you lie, bye"..
Now put in a key (mine is different, could be regioned keys) and try to activate... it may fail, if it does when you call up you are more likely to be believed.
The reason the keys are the same is because your PC is remembered by the hardware in your system; Motherboard, CPU, GPU and RAM.
Change 2 or 3 of those things.... well good luck explaining without the key put in from a fresh install.
Oh and Don't forget some tuts on ASM and defeating DMA