Download MostlyLinux 6.0 LiveCD media 32bit or 64bit by clicking following links:
Download MostlyLinux 6.0 LiveDVD
The disc burning software you already have on your computer may have a “write image” or “burn image” option designed specifically for writing ISO and other types of image files to optical discs. If you have doubt follow this you tube video.
If you do not have any CD burning software then download FreeISOBurner from this link http://www.softsea.com/download/Free-ISO-Burner.html or Imgburn from http:.//www.img.burn.com
If you are using Linux then can write using Brasero or K3B.
Now boot your system using the newly created MostlyLive6_CD. Live CD or DVDs are unique in that they have the ability to run a complete, modern operating system on a computer. Does not alter any operating system or files already installed on a computer’s secondary storage (such as hard disk drives).Follow this video to for demo.