Imgburn Usb To Iso. It is easy to use and available for free of cost. Next click on the browse folder button next to the destination part.

How to create bootable usb from iso with imgburn. Build create an image file from files on your computer or network or you can write the files directly to a disc. Click yes if a user account control pop up appears on the screen.
Click create image file from files folders.
Insert your usb drive into the computer and start imgburn program. In this instance i m just imaging the d. First you need to install imgburn on your computer. Imgburn is a well known program capable of converting usb to iso bootable.