have dedicated managers, modding the 2013 reboot often requires a more "old school" approach. Essential Preparation Before you start dragging files, back up your game data . Specifically, find and save a copy of patch.000.tiger

: Go to your Steam library, right-click the game, select Manage , then Browse local files .

: Extract your mod and copy the modded patch.000.tiger into the game's root directory, overwriting the original. Essential Tips

: Some hair or head mods may require you to turn off TressFX (Pure Hair) in the graphics settings for the mod to display correctly.

Manual file replacement does not disable achievements. However, launching through TRML sometimes tricks Steam. Don't worry—achievements still pop. If you are paranoid, launch the game once normally through Steam to sync, then use TRML for modded gameplay.