put the exe files in your doom folder where doomx54.exe is

https://s27.postimg.org/z4i6j3vr7/doom_launcher_1_2.png

download : https://www.mediafire.com/?u3g14mvqrt45cp3

icon buttons from left to right >

button 1 : deletes file [ saved games\id software\base\execConfig.cfg ] if it exists

button 2 : creates file [ saved games\id software\base\execConfig.cfg ] if it does'nt exist, otherwise will open your current execConfig.cfg in notepad

button 3 : opens folder [ saved games\id software\base\


if you use auto set texture cache size, so you never in virtual memory or need it enabled, will check your physical installed ram amount and use

<=8GB cache size 2048GB
<=16GB cache size 8192GB
<=24GB cache size 12288GB
>=24GB cache size 16384GB