Doom Game - https://store.steampowered.com/sub/18397/
or
GZDoom Engine - https://zdoom.org/downloads
D4T Doom2016 in Classic - https://www.moddb.com/mods/death-foretold
Hell on Earth Starter Pack Campaign - https://www.moddb.com/mods/recurring-nightmare/downloads/brutal-doom-hell-on-earth-starter-pack
2016 Music for Starter Pack - https://www.moddb.com/mods/brutal-doom/addons/doom-2016-soundtracks-for-starter-pack