I don't get how to install the mod. I downloaded the mod with your links, and what I got was those files "The_Great_Steppe_1.38.rar" (with The_Great_Steppe_1.38 inside), "The_Great_Steppe_1.38.002" and "The_Great_Steppe_1.38.002" none of them were in .scs. now how do I ...