Zoom into the feeder; place the APPLE into the feeder (R).

Collect the DOOR KNOCKER (S).

Zoom into the door; place the STAINED GLASS CROSS into the puzzle. Swap the center tiles (T) and then rotate them until you have the configuration shown in the screenshot.

You may enter the Tower at this point; however there are no active scenes in this location yet.

Return to the Outside of the Tavern.