Installing linux/30/en
From Gender and Tech Resources
And with the iso-hybrid images, it is no longer a necessity to use unetbootin. You can copy and sync isohybrids: https://www.debian.org/releases/stable/amd64/ch04s03.html.en#usb-copy-isohybrid.
For installation via a CD/DVD you need ...
To install from a CD/DVD, you need a working RW drive, CD/DVD burner software and a blank CD/DVD for your recorder.