Plutonium

I am having a hard time install these can someone please explain it. Do I put all the files in the BO2 Directory or the Plutonium Directory

I am not sure where to put the files do I put them in the original BO2 Directory or the Plutonium Directory? Can someone explain it please?! The Mod I'm trying to load: https://forum.plutonium.pw/topic/12377/release-zombies-bonus-survival-maps-3-0-updated-january-2022/2

I am having a hard time installing these files. Can someone explain it a little better please?!