Linux Mint Operating System Free, page-242

Once you have burned a Linux operating system (os) to live DVD-R then you need to set your bios (the computers boot loader) to boot from the DVD instead of booting from your in built hard drive, this is easy.

Ill help once you get to that stage or you can google booting from DVD.

https://www.google.co.nz/search?q=b...4679633j0j7&sourceid=chrome&es_sm=93&ie=UTF-8

and be sure to read the first post in this thread.

Cheers Cacoa