Ok, finally get fix some bugs and get collision (special thanks for @Iuki for help me)), I hope this will be helpful to someone. 1- First follow the instructions install (SOS), (important) > install HDT 14-28 Daie HDT Edit 5 ( works from me) you need havok files 2- Install XP32 Maximum Skeleton Extended 2.06 or version 1.9 3- Install HDT body and after install body etc, with Nifskope > enable collisions, follow instructions in the post or u can try this : (malebody_0 and 1.nif "linked hdtm.xml) (femalebody_0 and 1.nif linked hdtPhysicsExtensionsDefaultBBP.xml) (femalehead.nif linked hdtPhysicsExtensionsDefaultBBP.xml) (malehands_0 and 1.nif linked hdtm.xml) remplace all, and play the game and check! some ss