You can run the Mac's operating system in a separate sandbox. Here's how to install macOS in VirtualBox on your computer.

Installing New Virtual Machines in VirtualBox Again, if you're unfamiliar with virtual machines or VirtualBox, check out our beginner's guide.

Keep in mind that the only version of 10.6 that was "legal" (according to the EULA) to virtualize was 10.6 *server*. I've never tried with VirtualBox, but perhaps it has a check built in for that?

We've shown you how to install Snow Leopard in VMWare, but if you haven't purchased VMWare, you can now do it using previously mentioned, free program VirtualBox.

Do you want Oracle VirtualBox 4.1? Do you have five minutes? If you said, 'Yes' to both questions, then this tutorial is for you.