Ensure that the hands are clean before applying the tempered guard , Use the provided wet and dry cleaning wipe to thoroughly clean the mobile screen. Peel off the protective film of the screen protector. Gently place over the adhesive side on top of your smartphone screen. Align the tempered glass with the smartphone screen properly. Gently press the middle part of the glass till it is applied properly. If bubbles, use fingers to filmy push bubbling from center towards edges.