Hi Demetris,
I think there must be something awry with your installation – on Windows based systems, in Adobe Premiere Pro CS5 and CS 5.5, RED 5 should appear in the Video Effects group as a filter and the Video Transitions group as a transition. If this is not the case then I suggest that you first uninstall RED 5, then reinstall it and relaunch Premier to see if it shows up as expected.
If, after all that, it still doesn’t appear in these groups, then you might have a configuration issue that requires help from one of our tech support gurus. If this is the case, please feel free to contact them via email at support@borisfx.com.
Cheers,
Peter.