Includes only the most basic body meshes files and physical xml file.
This version is available for the original game players who only need a little physics effect.

Includes some meshes files(fix some meshes name issues) and esp file(flagged as esl, compatible with old version of Skyrim).
This version is available for the 1.5.97 Skyrim players who only need a little physics effect.

Includes some meshes files(fix some meshes name issues) and esp file(flagged as esl, compatible with old version of Skyrim) and CBBE 3BA bodyslider.
This version is available for the 1.5.97 Skyrim players who need to change their bodyshape for CBBE 3BA.