For animes best way to download/torrent them is from Nyaa.si, so install utorrent or qbitorrent on pc, or Flud on mobile and you're good to go. When searching on nyaa.si make sure to not spell anything wrong, and check for alternative titles for the less popular or animes with difficult titles. If you just wanna watch online try Hianime.to (their domain change occasionally so make sure to keep up). I'm here for more questions