IF YOU DON'T HAVE WIN WAR THEN YOU PROBABLY JUST WANT TO PLAY THE ISABELLE MOD AND OR RALSEI MOD I DON'T HAVE TIME TO TEACH PEOPLE WINWAR (lol haha guys im joking please don't hate me ahha we do a little joking in this guide 🥺🥺🥺🥺)

https://zdoom.org/downloads

https://github.com/lcferrum/qzdl/releases/tag/3-1.1

Go Here and delete everything in the folder...

C:\Program Files (x86)\Steam\steamapps\common\Doom 2\rerelease

EXTRACT EVERYTHING FROM ZDL INTO THAT FOLDER

RENAME ZDL to "DOOM II" IT SHOUD ALSO CHANGE THE ICON

EXTRACT GZDOOM ANYWHERE YOU WANT, IT DOSN'T MATTER.
I PERSONALY KEEP MINE IN MY C:GAMES FOLDER WHERE I KEEP ALL MY OTHER MODS AND WADS. JUST IN CASE BETHESDA WANTS TO UPDATE DOOM2 SO THEY CAN HAVE THE DOOM SLAYER POT BELLY WHEREWOLF ISSABELLE BATTLE PASS TO DOOM ETERNAL SLAYER CLUB AND RESET ALL YOUR ADDONS IN DOOM2 STEAM FOLDER!

WHILE YOU'RE AT IT MAKE A FOLDER FOR YOU MODS AND WADS

LAUNCH DOOM II AND PICK THE FIRST OPTION. IT SHOULD LAUNCH ZDL.

GO TO GENERAL SETTINGS, THERE'S SOURCE PORTS AND IWADS,

CLICK THE + ON SOURCE PORTS AND ADD gzdoom.exe FROM WHATEVER FOLDER YOU PUT IT IN (you can also make this any other port as well, i like gzdoom though.

CLICK THE + ON IWADS AND GET THE DOOM2.WAD
C:/Program Files (x86)/Steam/steamapps/common/Doom 2/base/DOOM2.WAD

YOU PUT THE MODS (WADS AND PK3's) IN EXTERNAL FILE WITH +
DOUBLE CLICK TO DISABLE TO ONLY USE THE MODS/WADS YOU WANT