Store Profile - Language

Use the Language tab to select the languages supported by your store.

Selected languages
Lists the languages that are supported by the store. You can select languages from this list and move them to the Available languages list.
If you would like to add a language to your store that is not in the Selected languages list, see your Site Administrator.
Available languages
Lists the languages that are not supported by the store, but are available. You can select languages from this list and move them to the Selected languages list.
Add
Click this button to add the selected language to your store. The languages move from the Available languages list to the Selected languages list.
Remove
Click this button to remove the selected language from the selected list. The languages move from the Selected languages list to the Available languages list.
Note: You cannot remove a language that is specified as the default language. To remove this language, first  specify another language as the default, then remove the language.
Set as Default Language
Select a language from the Selected languages list, then click Set as Default Language. The selected language becomes the default language for you store.
Note: Each store must include a default language.