Make bootable pen drive

Generally we setup windows using CD.But you can easily use your pen drive to setup Windows.For this,first you need to make your pen drive boot able.For this you can use a small  software named Bootable pen drive.Download This portable software from here and open it.But You must plug in pen drive in computer before open the software.Use minimum 2GB pen drive for this purpose.Now you can easily use your pen drive to setup windows Xp,Windows Vista or Windows 7..