Change the language in the Epic Games Launcher
To change your language settings in the Epic Games Launcher:
Click the Settings Icon next to your profile in the top right corner.
Click the Settings option from the dropdown.
Select your preferred language from the Language drop-down menu.
Click Restart Now to confirm the language change and restart the Launcher.
Note:This helps to change the language for some Epic Games Store titles. If, after following these steps, the language still doesn't change, you should contact the game's developer.