How to create in editor setting
Leaguage:
English
Polski
Deutch
Do you mean how you could add that functionalitiy to your game or do you want to change the language of your editor/the UE4? 
How to create in editor setting
Leaguage:
English
Polski
Deutch
Do you mean how you could add that functionalitiy to your game or do you want to change the language of your editor/the UE4?