The sosracemenu plugin is in the compatibility patches, after that selection (near the end of the installer actually, there are other selections before).For SE users, the refits must be converted to SE format using NIF. Using armor refits for SAM is highly recommended. Its mainly intended to add SAM morphing features to SE, but a version for Oldrim is also provided.
Type in the name that you would like to save this appearance preset as. Go into the Proteus Player Module and choose the 'Save Appearance Preset Option'. Load presets onto them through RaceMenu or adjust sliders to your liking. Complete overhaul to the character creation menu including new customization features.
Google it though, and should get a match. There are some skin textures out there as well. And if I want swords on back for all NPCs I have to edit all four skeletons (male and male beast, female and female beast) in NifSkope.