Can you install Windows 7 from the iso file?

1)first download the windows USB/DVD download tool.
2)then go and download the windows 7 enterprise (90 day trial)
3)once you have downloaded both of these items open up the USB download tool and input the ISO file(windows 7 enterprise).
4)then burn the files on to a 4.7 GB disc.
5)then once it has finished take out the CD and put it pack in and you just need to follow the steps on your computer and your done


:)