Personaly, I use the free software 7zip, as it is free and reliable (unlike the sites you download it from). What you'll need is some archival software that can zip, unzip, compress files, and all sorts of other jazz. pdf file, then you'll need some software to open your mod, if you don't already have it. If you downloaded the mod and you were greeted with a. 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.
