zip file, then you can just open the contents and take them where they need to go (we'll get into where they need to go later). Both work about the same way, but if it's in a. Usually it comes down to two different types of packaging assuming you get your mods from the nexus (why wouldn't you?), the. There are several ways to do this, and it often depends on where you get your mod from and how the mod author packaged the mod. Next is the most complicated part, unpacking the mod from it's downloaded state.