Ever want to take Windows XP (or any version of Windows, really) with you wherever you go? Maybe you'd rather use XP than the OS installed on a public computer. Maybe you just want to prank your friends and watch as their computer boots into a 16 year old OS. Whatever the case, today I'm going to show you how to create a bootable flash drive that will launch Windows XP in a virtual machine on (almost) any computer you plug it into.