How do start a forum thread to ask a question on unbuntu forums?

I don’t know where to start when making a new topic of discussion on the unbuntu forums, would anyone be so kind as to help me out here?

link:

http://ubuntuforums.org/

Go to the forum topic of your choice (General Help for instance).
Click the Forum Help link on the right side of the page.
Choose Post A New Thread
You may need to register to post.