Create Multi-Boot Pen Drive for XP+Windows 7 . . . CD/DVD Windows installation is ever popular but nowadays this trend is going down as we have a more advanced option and it is USB. Normally, we use CD/DVD to install Windows OS on the computer like XP, Vista and Windows 7. But now the price of pen drives is reducing day by day and we can buy a pen drive with large size space at a very low cost. So using USB or pen drive for installation on a computer is the easiest and most cost effective way as we can use the same pen drive to install many types of OS. Finally we are ready to use a pen drive for Windows installation but sometimes I face some difficulty installing both Windows 7 and XP from the same pen drive. At first I had two pen drives – one for XP and other one for Windows 7 installation. I was frustrated because two of my pen drives were busy only for Windows installation but finally I got a solution to install different Windows versions using the same pen