How to Configure Language in Local Settings?

Step 1:

Go to Admin Panel >> Application Settings >> Translation

Step 2:

Click on Translation and a new page will open for configuring the language. Just click on the "Import" button and at the end of the page you will find a publish button to make it publish.

You can add unlimited locales, just create a locales and edit the translation in the group. When you import & publish the language you will get avilable language in the local settings.