Answers: For window XP, I used the software "styleXP", and it come near the OSX skin. I believe that stardocks "window blinds" (trial available at stardock.com) is compatible next to vista, so you might be capable of download a skin and build it look resembling mac OSX.
Or you simply could pirate the x86 text of OSX and install it on a screen, but I within no approach condone bent commotion.
http://youtube.com/watch?v=knPPNm6EXvI
it have 4 parts
gratefulness, and don't pirate the osx and instal it on your pc
its not worth it
most of your hardware wont be supported by mac os x