HOW TO MAKE PENDRIVE BOOTABLE for xp,7,8... without any software -->

1:- Put your Pendrive to your computer...
2:- Type in Run "Diskpart" and hit the enter...
3:- Then type "listdisk" and hit the enter..
4:- Then type "Select disk 1 or 2 means which is your pendrive...then select disk 1 if your pendrive is in 1..etc..
5:- Then type "clean" and hit the enter....
6:- Then type "create partition primary" and hit the enter...
7:- Then type "Active" and press the enter...
8:- Then type "format fs=fat32 quick" and press the enter...
9:- Then type "assign" and hit the enter....
Now you copy your window files from cd/dvd or from storage device and all windows files your pendrive is ready.