pre-download

I think every pre launch I've tried this torrent stuff and it's never worked out (steam user). Always ended up downloading through steam update and wasted a lot of time. How do I properly sort out this pre-download torrent so I can actually start when the league starts?

Pre-download Torrent file is only for the standalone client, not Steam or Epic.

So you can either play via standalone (which you would need to download all of first), or just continue via Steam, which will update when required.