Click "new post" in the forum board, if you have the rights you will see "vote, reward, activity, trade" options, select the relevant option to enter the publish page.

Attention: Usually only high ranking forum members will have these new topic options. level user group seen can publish this four type of topic. If publish normal topic you just click "new post", off course you also can use the bottom of the board "quick post" to publish new topic(if the function is open). General forum also can set after logging seen can publish new topic/post.