Gary when you drag the plugin from the browser area to the tracks area it opens a instrument track.

Next just to the left of the name band in a box on that instrument track is an icon that looks like a tiny keyboard. click that and the BiaB plugin will open


HP Win 11 12 gig ram, Mac mini Sonoma with 16 gig of ram, BiaB/RB 2026, Reaper 7, Harrison Mixbus 11 , Presonus Audiobox USB96