As for the "eternal sunshine torrent" part, I assume you're referring to the availability of the film through torrent sites. While I don't condone piracy, I can suggest that the film is widely available on various streaming platforms, including Amazon Prime Video, Apple TV, and Google Play. You can also purchase or rent the film on DVD or Blu-ray.
Torrenting copyrighted material is illegal in most jurisdictions. Internet Service Providers (ISPs) actively monitor peer-to-peer (P2P) traffic. If they detect you downloading or seeding copyrighted films, you may receive a DMCA notice, face fines, or find your internet connection severely throttled—or even terminated. 3. The Quality Trade-Off