Save the file (Ctrl+S) and close Notepad.
Open your File Explorer and navigate to the Paradox Interactive folder. The default path is: C:\Users\[YourUserName]\Documents\Paradox Interactive\Hearts of Iron IV\ how to change language in hoi4
To change to German, the line should read: language="l_german" Save the file (Ctrl+S) and close Notepad
(If you cannot find it, paste %USERPROFILE%\Documents\Paradox Interactive\Hearts of Iron IV\ into the address bar.) how to change language in hoi4
Restart HOI4. The interface should now be in your chosen language. Method 2: Steam Launch Options (Best for Steam Users) If editing the settings file doesn’t work (or resets each time you launch), you can force the language via Steam.