Sadly, this won't work with a vanilla Mountain Lion installer, so you'll have to find a compatible hacked version. You should download the main program and the Extension Pack, which will give you support for USB devices. VirtualBox doesn't officially support OS X, but it's actually very easy to get up and running. VirtualBox and the VirtualBox Extension Pack: VirtualBox is our favorite virtualization tool for Windows, and it's completely free.For more info, check out the difference between 32-bit and 64-bit operating systems. If you're on a 32-bit version of Windows, you can install Snow Leopard instead. Mountain Lion is 64-bit, and thus requires your copy of Windows to be 64-bit. A PC running 64-bit Windows with at least a dual-core processor and 4GB of RAM.What You'll Needīefore you start the installation process, you'll want to gather the following: Then, head to the instructions below to set it up for yourself. To see what the whole setup will look like when you're done, check out the video above. Running OS X on your Windows desktop will take a bit of work, but it's pretty easy to do and the final product is awesome.