Then go to the mod folder (mine is at 'D:\Games\Steam\steamapps\common\Fallout New Vegas enplczru\Mods\FNV4GB-5\FNV4GB-1-9'), and 1 day ago This mod turns Fallout 4 into a Silent Hill like Nigthtmare.
However, quite recently a lot of reports have been coming in of the Mods not working on Fallout 4.