Forum:How do I put other languages on my wiki?

I'm curious, how do I put other languages on my wiki? I want to add some but I'm not sure how. My wiki is http://alexpedia.wikia.com/wiki/Alex_Wiki if you want to have a look.
 * Help:Interwiki_link --
 * Oh i forgot you have to request at special:Contact in your wiki what translation you want the interwiki link to be activate --
 * Thank you! 68.200.89.117 16:51, 6 June 2009 (UTC)