You should get a patch successful screen. Run the 4GB patch and select the Fallout3.exe,Īpply to enable 4GB LAA. Place the Fallout.ini in C:\Users\\Documents\My Games\Fallout3. GOG: C:\Program Files (x86)\GOG Galaxy\Games\Fallout 3 Steam: C:\Program Files (x86)\Steam\steamapps\common\Fallout 3 (goty) Place the Fallout_default.ini and the 4GB patch in your Fallout folder. Make a folder called 'originals' in your game folder and copy/paste the original files there. Check video below for setting change to unlock FPS
