This is a Standalone version from the Footstep System already included in the Third Person Basic Controller, if you already own the template you don't need to purchase it (unless you want to use it on a different project like an FPS)

Advanced Footstep System for Humanoids or Generic models.

Features:

- New Animation Events support

- Quickly set up footstep for your characters/creatures/animals

- Play different audio clips based on the material/texture

- Works on Terrains or Meshes

- Instantiate Particles or leave step marks on the ground.

Website: [Invector]