Step 1 :- Click here and download a program called WiNToBootic.
Step 2 :- Extract the downloaded file.
Step 3 :- Plug in your USB drive.
Step 4 :- Run the WiNToBootic program with administrative rights.
Step 5 :- Mount your Windows installation DVD or iso image in the WiNToBootic program.
Step 6 :- Select the USB drive that you want to make bootable from the drop-down menu in WiNToBootic’s interface and check mark the quick format option.
Step 7 :- Click the “Do it” button, then click the “OK” button in the first warning and then click the “OK” button once again in the second warning. After this, the WiNToBootic program will start doing it’s job and upon finishing it’ll display a “Thanks” button at the bottom of it’s interface. At this point, all you have to do is to click the “Thanks” button, close the WiNToBootic program and safely remove your USB drive from your taskbar. Your Bootable Windows Installer USB is now ready!
The following video is a demonstration of the points mentioned above :-