Hi odzplayer,
To register for the Auctiva community forums, please click the "Login/Join" link at the upper-right of any community forum page. Then, check the bubble next to "I am not registered on: Auctiva Community" and procede with the registration steps.
Once the registration process is complete, you will receive an email containing a link to confirm your registration and, once you click this link, you should be able to fully utilize the Auctiva community.
-Mike