Locate the three holes on the top of the air conditioner near the front.
Align the three holes in the plastic frame with the three holes in the top of the air conditioner and insert a 1/4-inch Philips screw into the aligned holes.
Tighten the screws with a Philips screwdriver.
Set one curtain on each side of the air conditioner. It does not matter which side you place which curtain as long as the curtain is placed into the air conditioner frame with the flush side facing you.
Insert the top curtain guides, the notched, jutting ends of the curtain, into the rectangular openings on the ends of the plastic frame.
Insert the bottom curtain guides into the rectangular holes in the air conditioner, found at the bottom of the sides of the unit.
Screw a 1/4-inch Philips screw into the three holes, on each side of the air conditioner, between the two guides, which align with three holes on the sides of the air conditioner.
Pull the tab on the curtain away from the air conditioner to open the accordion curtains.