For the creation of bootable live USB drives, UNetbootin is the specially designed application. You can use it for the creation of bootable drives and performing a few other functions for your computer too.
Apart from this essential feature, you can expect this application to write an ISO image to a blank CD. Similarly, you can also download the images from specific distribution for you too. FreeBSD, FreeDOS, Gentoo, Kaspersky Rescue Disk are some of the supported versions in this regard.
You can even create a bootable image directly from your hard drive too. Additionally, both a new CD and a blank USB device can be used in this regard.
In case this app does not work on your computer you must allow the application to download Linux OS along with the other utilities that can help it to function correctly.
UNetbootin can help you in quickly creating bootable drives.