For versions where the language is locked at the system level: , and hit Enter. Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Ubisoft\Far Cry 3 Double-click and set the value to Double-click and set the value to 4. Renaming Data Files If you have the audio files but the game won't play them: Go to your game installation folder (e.g., Far Cry 3\data_win32 Look for sound files. If you find sound_english.fat

Source: ModDB & Archive.org community backups

Right-click it, select , and change the value to English . Step 4: Update Game Settings