Thankfully, there’s a tool called Nexus Mod Manager that makes this easier, so you don’t have to do everything by hand. nexus mod manager disable all mods Like Skyrim and other Bethesda games before it, modding is one of Fallout 4’s huge draws on the PC.. But Fallout 4 and Steam don’t offer an easy, built-in way to install these mods. nexus mod manager disable all mods nexus mod manager disable ..