Select Type and Version: Choose Mac OS X as the type and Mac OS X (64-bit) as the version. Allocate Memory and Processor Cores: Allocate at least 4GB of RAM and 2 processor cores.

If you're on Windows, need to use OS X, but don't want to buy or build a new computer, reader Bobby Patton shows us how to run Snow Leopard in a virtual machine on Windows with just a few tweaks ...

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.

I used the latest version of Virtualbox downloaded from Oracle, and, importantly, made a .cdr file with Disk Utility from the drive containing my old 10.6 install DVD.