How to Virtualize OS X on Windows 7. IMPORTANT: This guide is now outdated, a new, easier guide has been written on how to install OS X 10.7 Lion.
Click here to go to it. With newer computers, it is now possible to run two Operating Systems at once, one running inside of another. This guide will describe the process of running Mac OS X 10.6.2 on a machine already running Windows 7 or Vista. This process will likely work on Windows XP but has not been tested.
Linux.