How to install? 1. Clean the target surface thoroughly. 2. Measure the surface and cut the film. Leave an extra inch margin each side for an easy adjustment. 3. Prepare enough diluted soapy water in a spray bottle. 4. Spray the surface with the soapy water. Peel off the transparent backing film along a short side. 5. Install the film onto the window. 6. Use the squeegee to remove excess water and any bubbles whist applying the film. Wipe off the water using the towel. 7. Trim off the margins. Here you go!