5-6-09: Initial update.
5-7-09: Added pictures, and additional formatting to the article.
Did you know that you can run a virtual machine, such that you can run say Windows XP inside of Windows XP? Not ready to install Linux on a separate partition and go dual boot? No problem! Install it in VirtualBox!
VirtualBox is an open source, and freeware application that lets the user to do virtual machines easily and painlessly. This is great if you are a developer and want to develop programs for other operating systems, or perhaps testing a program you are not willing to install on your main HOST operating system.
Since the virtual machine is independent of the HOST operating system, you will be able to transport the virtual machine easily from one PC to the next thanks to the portable hard drive system.
First of all, you need to download VirtualBox. You can get it from their website at www.virtualbox.org
Once you have downloaded the appropriate version for Windows, you can install it, as shown in the following screenshots below:
Click next, and you will get to the screen as shown below:
Make sure to have both VirtualBox USB Support enabled as well as the VirtualBox Networking so you can use the usb and networking within your virtual machine.