VirtualBox is a full virtualizer available on macOS, Windows, and Linux. When you install an operating system in VirtualBox, you're not dual-booting the new OS alongside the original one.

license: (i) to download, install, use and run for personal, non-commercial use, one (1) copy of the Apple Software directly on each Apple-branded computer running OS X Yosemite, OS X ...

Hit the link for Dash's quick run-through, and tell us if you've got any additional VirtualBox-on-Mac tips in the comments. How to run Windows 7 under Mac OS X 10.6 for free [Anil Dash] ...

Whatever your reason, you can actually install and run OS X on any Intel-based Windows PC with a program called VirtualBox. Here’s how.

Step-by-step Mac OS X installation. If you're installing Snow Leopard make sure to check out a previous guide to installing Mac OS X in Windows to get OS X up and running.

A new beta build of VirtualBox, Sun’s Oracle’s free x86 virtualization software, makes it possible to run Mac OS X as a guest operating system…no shenanigans or flaming hoop ...