the globe is held in the brown holder that screws to the back of the dash with half a twist. undo this. the globe and holder are then in your hand. grab the holder in 1 hand and the globe in the other hand and pull apart. they are pretty hard to break.
keep the old globe. pull the blue plastic off them and they make good spare globes for your parkers etc.
As baconer says, put all the led's in the dash and plug it into your car. Before you put it all back together, turn your lights on. if 1 or more of the led's dont light up, you have the pos+ and neg- around the wrong way. pull the led out and turn it around 180degrees. easy as