I have one laptop with windows 8 and one laptop with windows 7 can i swap the OS over on the laptops? if you can how do you do it.... Bit of a noob question i know but i prefer windows 8 to 7, im selling the laptop with windows 8 but want to transfer the OS to my new laptop which has Windows 7 and put 7 on the one im selling, any advice will be greatly appreciated, thanks.