It may not be the most obvious mod in terms of changing the game, but the cleaned up bugs and errors along the way will greatly help as you explore the commonwealth. That's where this mod comes into play - fixing countless bugs and placement errors in quests, locations, text and more.
With a game as big as Fallout, there's often hundreds of small glitches and bugs that fall through the gaps and may never be revisted in updates by the developers. From the makers of Skyrim's huge Unofficial Patch comes the Unofficial Fallout 4 Patch.