In this guide I will show you how to setup GZdoom to launch with Steam.

First You Need To Download GZdoom, you can download GZdoom from the Zdoom website.
https://www.zdoom.org/downloads

First you need to extract the GZdoom zip file, then open Steam click on Doom (1993), Click the gears icon, click on manage, and the browse local files. Before continuing make a backup of the Base folder. The copy the files from the GZdoom zip file to the Base directory, delete the file named dosbox.exe and rename gzdoom.exe to dosbox.exe.

To run it click play and select the Dos Version.

Thanks for Reading.