Finally, additional directories can be added by editing the section of the ini. Furthermore, if you obtained Doom-engine games through GOG.com or Steam, ZDoom can find them automatically. Alternatively, you can set the DOOMWADDIR environment variable to point to the directory in which the IWADs are kept. When using a new folder make sure to include an IWAD in the ZDoom directory.Extract all the files from the ZIP file into a new directory.Alternatively, you can get an unofficial development build from DRD Team. Download the latest GZDoom (currently 4.7.1).
