Tricks to install from Pen drive (windows xp,7,vista)

you don't have cd drive? In this situation how can you install the windows xp or 7 or vista. ? I am going to guide you to install the Windows. Requirements:Windows Dvd or it’s ISO imageOptical drive emulation software( like demon tools)Wintoflash softwareUSB drive (minimum 4 gb)1.Download and Install Demon tools. http://www.filehippo.com/download_daemon_tools/2.Mount the windows ISO Image using