This Guide is for Installing 3BBB with Body and belly Physics etz for Skyrim Spezialedition (Skyrim SE) not  for Legendary Edition (Skyrim LE (has32bit archytecture and is very unstable at times but has a lot of mods that did not get transfered to Skyrim SE)) so make sure you use the right version of skyrim and the right version of mods aswell as Skyrim Scrip Extender (SKSE) for Spezialedition (SE)                                                        First of all i will list EVER mod