It can be the same computer as the one mentioned in the previous point. A Hackintosh-compatible computer with 10 GB+ of free space: This is the computer where you will install OS X Mountain Lion. If you're using a Windows computer, it needs to have a DVD/Bluray burner (just about every DVD/Bluray drive nowadays can act as a burner, too). An existing Windows computer/Mac/Hackintosh: This is the computer where you will download and set up iAtkos.