: Tweaks to the high-fidelity firearm simulations, such as clearing jams and slide behavior.

Paste them into the game's main installation directory, choosing "Replace" when prompted.

Once the installation finishes, look for a folder named inside the extracted update folder. Copy all files from the CODEX folder.

: Improvements to the procedurally generated dream-world sequences.

If you are using a different repack (like FitGirl or ElAmigos), this specific CODEX installer might not detect your installation path automatically.