You should be able to see all the files and folders on the USB flash drive. You should be able to see all the files and folders on the CD. (Hold down Windows key on your keyboard and click the E key, bring up File Explorer.) (Does not have to be a computer on which you plan to install the software.)
Installing from a USB flash drive can allow software to be run on computers that do not have a CD/DVD ROM drive. My computer does not have a CD drive for installing.
