To use (often referred to as 3BA or "3 Breast Bone Body") in Skyrim , you must first install its foundational requirements— XP32 Maximum Skeleton Extended (XPMSSE) and a physics engine like FSMP (Faster HDT-SMP) —then use BodySlide Outfit Studio to build the body and outfit meshes that support the additional physics bones. The Core Setup: What You Need First
Ensure you have Nemesis or FNIS installed to handle the custom animations required for the physics to function correctly. Skyrim mods tutorial - how to use 3BBB
Install XP32 Maximum Skeleton Extended (XPMSSE) . This provides the necessary "bones" for the physics to attach to. To use (often referred to as 3BA or