Board Thread:Support Requests - Designing Your Wiki/@comment-24302534-20131222104404/@comment-5007040-20131222105734

I see you have the 'old' forums on your wiki. You can do that by clicking on new topic there. If you want a forum like here you have to enable it on Special:WikiFeatures on your wiki. Then you can go the forums and click on manage boards.

Hope this helps you!