There's nothing incredibly wrong with Win8, I've tried it on another PC and it runs fine, just that it's harder to navigate a couple things because I haven't used it long enough but that could be fix with 3rd party software (as far as I know). For gaming, so far I've only seen one game not able to run on Win8 (don't quite remember the title but this was when it was just release) so I'm not so sure whether all games are compatible straight away, but I'm pretty sure developers and manufacturers are adding patch and releasing better drivers for it.