*sigh* doom source wad issuse

[Just_help_me]

When I downloaded GZDoom it said I didn't have the doom source wad I checked the website,the folders,searched online for answers,watched a video, nothing not..a...thing whats wrong here?

[Graf Zahl]

The Doom game WAD is copyrighted material so you have to actually buy it - or get one of the free games the engine supports.

See here for a list of suported games and where and how to get them: https://zdoom.org/wiki/IWAD