MyBB Community Forums

I m very new in mybb. i can't make categories in my forum. will some one help me how i can categories in my forum.
here is my forum link
http://nsuforum.fantasyfade.com

Thanks
Nasrul

ok, make a forum like usual, but one of the options says act as forum. Turn it to no, so it acts as a catagory. Then add subforums to the catagory.

ya ya i got it....... thanks a lot