i have installed windows 8 several times and i and going back to 7, reason why is i know 8 is fast and good to read your memory ram processors and all , but i find very poor video quality when you play in media player blury yep i test 7 to 8 7 is way better in quality video i just hope someone fixes this bug then i can go back to 8 btw i a hard fan in 7 lol