Hello lovely readers today discovertrick are going to teach you how can you install windows 7 and 8 through pen drive and how can you make pendrive bootable.Sometimes you need to format your computer but you don't have windows 7 DVD but you have windows7 in your computer hard drive. No need to worry discovertricks are today here to solve your problem .All you need to have is minimum 4GB pendrive.
Select disk2 3467mb
How to install windows7
Steps to create bootable pendrive