Hey, I want to convert my .dmg file into .iso file but m unable to find solution for it. I am using window xp and I want to burn it to CD or DVD from my xp version.

you can use magic iso to convert dmg files to iso
try magic iso help for complete guide
[url=http://www.magiciso.com/FAQ/FAQ0011.htm]MagicISO FAQ: How to convert DMG to ISO with MagicISO?[/url]