These resources are really all you need, but they’re all individually quite focused so for a new person it can be hard to see the forest.

An overview:

For movies, streaming sites are fine.

To start torrenting safely:

• get a paid vpn (i use mullvad)
• download qbittorrent or the like
• find a public tracker from the megathead, general ones are easy/convenient for starting imo
• virus scan/use common sense/be careful