Installing thousands of individual mods manually is incredibly tedious.
Because the game relies heavily on user-generated content, "Mega Packs" are created to bundle the base game with thousands of mods, characters, outfits, and scenes. However, looking for verified torrents of this content in 2021 and beyond comes with significant digital security risks.
The base game is relatively bare. Mods add hair, clothing, skins, and physics.
unless you are 100% sure of the source.