This guide can help you with the installation of Mac OS X on a Windows PC.

DISCLAIMER: I AM NOT ENDORSING THE BREAKING OF COPYRIGHT LAWS AND I WRITE THIS SOLELY FOR THE PURPOSE OF EDUCATION. I DO NOT WRITE THIS TO BE FOLLOWED IN ANY WAY I ALSO DO NOT IN ANY WAY TAKE ANY RESPONSIBILITY TO WHAT MAY HAPPEN TO YOUR COMPUTER IF YOU DECIDE TO TAKE ILLEGAL ACTIONS BY FOLLOWING THE STEPS I HAVE PROVIDED.

Its original guide can be found here