: Open your animation engine (FNIS or Nemesis) and click "Update Engine" or "Update FNIS Behaviors" to integrate the new Niisath files. Where to Find Support
To use this collection in Skyrim, you generally need the following "core" mods installed: Niisath_Animations_collection_2021_Update.7z.pa...
: Right-click the first part and extract it to a folder. : Open your animation engine (FNIS or Nemesis)