First download software named : WinSetupFromUsb

step1: open software

step 2 : format your pendrive with file system: ntfs





step 3: browse your windows iso in deamon tool or u  can extract  to specific folder or  u can use power iso and ulraiso to open iso image.







step 4: click on go




step 5: now ur pendrive is finished to perform now restart ur pc now simple install ur window::






NOTE: YOUR PENDRIVE IS MUST IN NTFS FORMAT BECAUSE IT BOOST UR INSTALLATION SPEED , TAKING 20-25MIN ONLY WHILE FAT32 TAKES 4 HOURS.
CHOICE IS YOURS.

SIMILARLY U CAN INSTALL WINDOWS 7 VISTA , LINUX FROM YOUR PENDRIVE
To Download ;: click here

To Download ;: click here beta version

To Download ;: click here new version

another version : click here

This utility would                 convert your USB flash drive into Windows Vista or Windows 7 bootable setup disk. You can make your USB drive as bootable and setup Windows Vista or Windows 7 on any computer that supports booting from USB.
Screenshot: