Step : Bootable flash disk (wintoflash)

Download WinToFlash  here. It is a portable application,  extract the zip file.
Start WinToFlash, pop in the Windows CD/DVD,
plug in the USB flash drive and specify the paths.
Click ‘Next’ and sit back and watch WinToFlash create a bootable USB drive from the installation media.
This might takes time depend on the size of the installation media.

specify the location of your USB flashdisk and finished