how to make bootable pendrive fast

Make bootable pendrive easy steps :

(backup all the data before formating the pc)

Step 1 :
Download PowerISO and install on your pc.

Step 2 :
Connect the pendrive to the pc.

Step 3 :
Open PowerISO and goto Tools > Create Bootable USB Drive > Create Bootable USB Drive

Step 4 :
Select source image file(.iso) and select the correct pendrive and writing method as "USB-HDD"

Step 5 :
Click "Start" button to start creating windows 7 / 8 bootable USB drive. it will take upto 10 min.