First, stick the strip on the form, put the glass in the form, press the strip a little to grab the glass, wipe the screen, close the windows and do not breathe, make sure that there is no debris left on the screen, put the form on the switch, hold, most of the remaining air should be removed bubbles from the center to the edge to reduce with a napkin. I got dirt, I was able to remove it only on the second attempt (included stickers are special for cleaning dirt, I pry the screen with a knife, as a result, in the corner outside the screen there was a trace of the fold, infuriates and irritates ethically, but the trace for 3 weeks did not spread and did not On the first switch, I glued a Nintendo poenka, it is much worse to the touch of this glass, so I recommend it.