How to run Mods for DOOM / DOOM2 with GZDOOM ( updated see pinned comment )

Описание

I've been going bananas playing some very cool Mods for Classic Doom + Doom 2
so here's the lowdown on what to do and where to find the files you need.

Here's an updated version of the vid using a launcher
https://www.youtube.com/watch?v=onUkX9U0bh0

GZDoom : https://zdoom.org/downloads
FreeDoom: https://freedoom.github.io/download.html
Brutal Doom Mod: https://www.moddb.com/mods/brutal-doom/downloads/brutal-doom-v21-beta