Grab the 14.03.2021 archive from your preferred verified source.
Install via your mod manager (Vortex or MO2 recommended).
Always a best practice before updating animation files.
To get the most out of this pack, ensure you have the latest version of your game’s animation framework installed (such as or Nemesis for Skyrim, or Wicked Whims for The Sims 4, depending on your specific implementation).