F4
Fallout 4 Anniversary
MODS

Unofficial Fallout 4 Patch (UFO4P) - Essential Bug Fix Mod

Complete guide to installing and using the Unofficial Fallout 4 Patch, the most essential bug fix mod for a stable game experience.

By Vault-Tec Team
••
modsunofficial patchbug fixes

Unofficial Fallout 4 Patch (UFO4P)

The Unofficial Fallout 4 Patch is the single most important mod for any Fallout 4 playthrough. It fixes thousands of bugs that Bethesda never addressed.

What Does UFO4P Fix?

  • Over 3,000+ bug fixes
  • Quest fixes and improvements
  • NPC AI improvements
  • Mesh and texture corrections
  • Script errors and optimizations

Installation

Requirements

  • Clean Fallout 4 installation
  • All DLCs (Far Harbor, Nuka-World, etc.)
  • Mod Organizer 2 or Vortex

Steps

  1. Download UFO4P from Nexus Mods
  2. Install through your mod manager
  3. Place it high in your load order (after official DLCs)
  4. Enable the plugin
  5. Launch the game

Compatibility

UFO4P is compatible with most mods. However, some mods may conflict if they modify the same records. Always check mod descriptions for compatibility notes.

Performance Impact

Minimal to none. UFO4P actually improves performance by fixing inefficient scripts and broken assets.

Conclusion

UFO4P is absolutely essential. Install it before any other mods for the most stable experience possible.