Inside the main game folder, look for a file named steam_emu.ini (or sometimes codex.ini). This file controls the emulated Steam settings, including language.

Open it with Notepad.

Before declaring victory, run through this quick checklist:

If all boxes are checked, congratulations – you have successfully mastered the "total war attila english language files codex install" process.

Now go save (or burn) the Roman Empire – in perfect English.

After following the steps above, your Total War: Attila (CODEX version) should display:

If you deleted the ISO after installing, this won’t work. But if you have the full codex-total.war.attila.iso:

A typical clean install process for an English-only Attila setup looks like this:

Miss step 5? You’ll get Cyrillic text with English audio. Miss step 3 entirely? The game will hang on the splash screen, searching for missing localization assets.

Launch the game. If the menu is now in English, you are done. If it remains foreign, proceed to the next part – you are missing the actual English language asset files.