Here’s how to download and install the Windows 8 Developer Preview into a virtual machine on your PC.
Most of you probably just want to check out Windows 8 without making a commitment to installing the OS on its own separate drive (or drive portion). No problem! You can still fiddle with the new OS in an environment that’s much easier to remove once tinkering time ends, thanks to the power of virtual machines–applications that let you run a virtual PC inside your PC (cue Inception music).
Windows 8 Download:
Virtual Box Download:
Intel compatibility List:
AMD Compatibility Checker: