Unofficial Fallout 4 Patch - UFO4P
fallout-4 — Mods & Enhancements
A comprehensive bugfixing mod for Fallout 4. The goal of the Unofficial Fallout 4 Patch (aka UFO4P) is to eventually fix every bug with Fallout 4 not officially resolved by the developers to the limits of the Creation Kit and
📦 Full mod page on discovermods
Downloads, ratings, compatibility info, installation guides, and user reviews.
View on discovermods →Syntax
Bug FixesExample
Downloads: 10,675,254 | Endorsements: 212,985💡 Notes
By The Unofficial Patch Project Team | v2.2.1a | 212,985 endorsements
🎯 Tips & Tricks
Install UFO4P first, before any other mods, and keep it high
Install UFO4P first, before any other mods, and keep it high in your load order.
Make sure you own all official DLCs—the patch requires them
Make sure you own all official DLCs—the patch requires them.
Use a mod manager like Vortex or Mod Organizer 2 to handle i
Use a mod manager like Vortex or Mod Organizer 2 to handle installation and load order automatically.
🔧 Troubleshooting
Mod not working
Check load order and required dependencies. Read the full mod description.
⚠️ Common Mistakes
- Installing multiple mods that modify the same files without checking compatibility
👍 Pros
- Massive community trust: 212,985 endorsements and 10.7 million downloads.
- Essential for modded playthroughs—most mods assume you have it installed.
- Actively maintained, last updated May 2026.
👎 Cons
- Requires all official DLCs to work properly—missing them causes issues.
- Large mod, may take time to download and install.
- Can conflict with mods that alter the same records—load order matters.