Ok so i want to burn an iso. file that is about 7.5 GB big, their actually two. So i need like 4 standard dvds. I don't want to spend money and time on buying dual layered dvds, but when i try to burn it it says, not enough space on dvd, insert another one, things like that. Is there any special program that can burn it in parts, like you know when sometimes you buy software theirs like 4 cds that you insert one after another? Please help