A quick Google search for “download Doom 2 WAD” will show hundreds of results. Why should you avoid these?
: Found in the installation directory under \DOOM II Enhanced\ . download doom 2 wad
(if you own the original CD or digital copy) A quick Google search for “download Doom 2
Once purchased, the file is usually located in the "base" folder of your installation directory: download doom 2 wad