What modloader should I use? Gameplay Fallout: New Vegas mods. However, that is not necessarily a drawback. Exceptions would be bug-fixing mods and those that improve on the user interface. FALLOUT 4: Enabling Modding for PC : For the pc, before you even start installing, you will need to have or download the Nexus Mod Manager, which will allow you to access different types of mods. This is a standalone Merc Outfit mod is that will also be featured in the upcoming Fallout: London mod.