Jeep Wrangler JK 2018 Owner's Manual page 111

GETTING TO KNOW YOUR VEHICLE 109
8. Insert the retainer along the bottom edge of the window
into the bottom side channel, beginning at the front and
working to the rear of the vehicle. Finish by closing the
zipper completely and attaching the Velcro along the top
and rear of the window. Repeat this step for the opposite
3
side.
Step Eight