 ajouter une langue goal add a language to your site steps in the manage administrative menu navigate to configuration   region and language  languages click add language  if your language is in the language name list select it and click add language  if your language is not in the list select custom language  and enter the language code   language name  and direction for the language click add custom language  wait for the translation system to be updated also if you have the core update manager module installed and translations are available for your language wait for translations to be downloaded you should be returned to the languages page when this completes  