How to Install Crown Molding How to Install Three-Piece Crown Molding How to Put In Crown Molding How to Install Easy Crown Molding «↺ Previous Step Back to Start All Steps Close Introduction Step 1 Make the Frame. Step 2 Cut and Attach the Crown. Step 3 Reinforce the Outside Miters. Step 4 Mount the Assembly. Step 5 Attach It to the Cabinets. Step 6 Scribe-Fit the Filler Strips.