When the game is launched, the engine checks the Language variable in the configuration files. If set to "int", the engine prioritizes files ending in _Int over the generic base files.
Would you like step-by-step instructions for enabling English on your specific platform (Steam, Epic, PS3/4, Xbox 360/One)? bioshock infinite english language pack
Steam is the most common platform for BioShock Infinite. Fortunately, it makes switching languages relatively painless. When the game is launched, the engine checks
If your game is currently in another language, you can switch it back to English using these platform-specific steps: Steps to Change Language When the game is launched