This may sound stupid but what is an ISO

[onesimuszero]

I am ignorant to all of this. all I know is that I have a boot disc and I want to copy games

[BIG PAPA]

an "iso" is one of many different formats that a burning program creates a duplicate image of...
however in these forums it simply means "image file"
a image made of the game..you want

thats all
now you know...