First clean the surface of the lamp, followed by the alcohol wipes provided.
Cover 1/3 of a small basin with water and tear off the bottom paper. (You can also spray water directly with a water tap.) Align and insert the top and bottom parts.
The adhesiveness will be temporarily reduced in water, lowering the stickiness. It will become easy to shift the sticker around for good fitting (with 3M quality, do be ensured that the stickiness will not be reduced when its dry)
Push the water out starting from the center to the sides with your fingers (from center out will help reduce wrinkles)
Firmly press the edges.
Dry area with a quality drying cloth
Cover the sides
As the light design has a large curve, the sides will be covered using the triangle given.
Align the sides
Stick the sides on and firmly press
Do note let this part touch water, directly stick on without water.
Hide the creased part underneath the light
Using a hairdryer, you can reduce the crease line, but because the crease is on the bottom, its not obvious