This tutorial goes over general guidelines on converting an outfit with smp (normally ported from Skyrim SE or from a UNP body) Tools Needed: BodySlide and Outfit Studio (v) NifSkope setup for use with your textures    Process: Go ahead and start a new outfit studio project with your subject NIF. Note what is present in the base nif file ( the main body, and the collision body)     Find a good conversion reference by trial and error