TechSpot explains how you can test the Windows 8 Consumer Preview as a virtual machine, you can read the guide over here.
With the launch of Windows 8's Consumer Preview, you're probably itching to spend some quality time with Microsoft's latest operating system. Although you may have already downloaded the ISO, we bet some of you haven't decided how you're going to install it.
Fortunately, running Windows 8 in a virtual machine solves all that: it won't remove your current OS, you can access it anytime you want without rebooting and it doesn't require any extra hardware. What's more, the test OS can be deleted in only a few mouse clicks.