Source discovery
If you already have another language pack (like Russian or French) and want to force English: Rename Existing Files : Locate your data_win32 folder. If you see files like sound_russian.dat , rename them to sound_english.dat (and do the same for the extension). Edit GamerProfile.xml Documents/My Games/Far Cry 3 GamerProfile.xml . Find the line Russian (or your current language) and change it to English Registry Edit (PC Only) and navigate to HKEY_LOCAL_MACHINE\Software\Wow6432Node\Ubisoft\Far Cry 3 . Change the value to "English" and Content of the Files sound-english.dat sound-english.fat files are large archives containing: : All character voice lines in English. Environmental Audio : Localized sound effects or ambient cues. Instructional Audio : Mission briefings and tutorials. Index Data file acts as an index for the Source discovery If you already have another language
Players with localized versions (e.g., Russian or French) often require these specific English files to unlock English audio, which might not be included in their regional installer. Find the line Russian (or your current language)