If your menu text shifts languages successfully but your race engineer stays silent, you have only swapped the text string file. You must also copy the corresponding .bik cinematic audios and audio track banks from the target language's folder inside the game directory structure. To help tailor this setup, please let me know:

f1_2013_speech_en_extra.big (This file contains the high-quality engineer and commentary audio). 3. Rename Existing Files (The Quick Fix)

: In some PC installations, language settings are managed via internal configuration files or the Windows Registry. Some users modify text files within the game directory to switch language codes (e.g., changing "russian" to "english") if the standard menu options are unavailable. The "Extra Quality" Context

Delete or move the undesirable language files out of the directory.

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Codemasters\F1 2013