Go to your preferences and there you can select the language you want. This has some advantages: * (yes) The MediaWiki interface is in your language. * (not yet) A system that I call "in-page translation" * Some project pages are translated into your language. * The words (= titles, ...) in the articles are in your language. * (not yet) "Language selector": With this you can select the language in wich the translations (articles) are.