Utopia? I have no self booting, need a boot disk, where?

Hello, I have looked through this forun and i am still confused about my situation. I have a few non self booting games and i lost the boot cd my friend gave me. It looks like i need something call ed utopia..so i downloaded it and now i have 3 file in some strange formats....this discjuggler seems to be something i need as well, so i went there but couldnt download the program, where do i get it? do i have to pay or is it free? anyway, try to be as descriptive as possilble if you are kindly enough to answer my post thanks