Its just a matter of slowly easing it away from the bumper using a small electrical screwdriver. There are lots of small clips moulded into the underside of the strip throughout its entire length, front and rear.
Just work all the way around the strip slowly easing it up, then once all the clips are out you can get enough of your fingers under to just pull it away. The clips are fragile, but with care it will pull away from the bumper without damage.