Get the software downloaded from above button and install it on your Mac with proper step instructions.
It has been adopted on a large scale by various users and widely recommended. That's it! Fortunately, PassCue for ISO is a wonderful tool which can burn, create, edit and extract ISO files from any files, folders and operating system files. It may take some times to format your USB, please wait. But sometimes you will find bootcamp tool doesn't allow any customization of the process.
