(you must do this separately for Multiplayer and Single Player). Properties , then go to the Choose your preferred language from the drop-down menu. Manual File Replacement
If you are playing on Steam, you can generally change the language through the client settings, though this may require a large download for new language files. Steam Support Via Properties Steam Library Right-click on Call of Duty: WWII cod ww2 how to change language
On consoles, language options are often tied to the region of the digital store or the physical disc. (you must do this separately for Multiplayer and