Language Packcodex Full Fix - Cyberpunk 2077

If you have the full CODEX version installed and want to switch the interface or audio language, follow these steps: : Open the Main Menu and navigate to Settings .

But what does "Codex" mean in this context? Why are users specifically looking for the full language pack? And most importantly, how do you install these languages without corrupting your save files or triggering false antivirus alerts?