Virtual machines let you run one computer inside another, or at least one operating system inside another. You get the benefit of two OSes without the hassle of dual-booting or the standard setup process. It’s also easier than you might think to get started. Here’s how to set up your first virtual machine.
If you're anxious about switching from a PC to a Mac, consider this: There are a multitude of ways you can virtualize Windows within OS X, and they all work uniquely well. Here's how to choose the right one.
Syncing your Zune in Mac OS X, running Word in Linux, giving Linux a go within Windows 7: just a few of the things you can do with virtual machines. And setting one up isn't just easy—it's free.