In this how to video, you will learn how to dual boot Windows 7. To do this, first back up your hard drive. Download the Microsoft Windows 7 adviser to see if your system is able to handle the operating system. Next, download and burn the Windows 7 64 bit ISO. Shrink your existing partition to at least 16 GB. Next, insert the Windows 7 CD and reboot. You should make sure that you can boot from the optical drive. Once that is done, you can begin installation of the operating system. When it is finished, you should be able to select which partition to boot from.