A-B. Using silicone, install the decorative track (S) in front of the door panel. Slide the decorative caps (T) onto the track.
C-D. Fix the fixed panel (C) by drilling guide holes through the wall tracks (B) and screwing it in place using fittings (GG), screws (BB) and caps (FF).
E. Install the decorative cap (O) on top of the wall track (B).