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 my favourite virtualisation tool for Windows, and it’s completely free. This list should help you find out whether yours does. Note that your processor also needs to support VT-x. If you’re on a 32-bit version of Windows, you can install Snow Leopard instead (Google it as this instructable is for Mountain Lion not Snow Leopard). Mountain Lion is 64-bit, and thus requires your copy of Windows to be 64-bit. Before you start the installation process, you’ll want to gather the following: - A PC running 64-bit Windows with at least a dual-core processor and 4GB of RAM.