1. Use the wet wipe in the package to clean the LCD, then use the microfiber cloth to dry it. 2. Paste the dust absorber to LCD fo 10 seconds, then remove it. Now the LCD is totally clean as a new one. 3. Remove the protective mask marketd 1, and align GSP protector to the four corners of the LCD. Then gently press the center of GSP protector, it will automatically adsorpeted onto the screen. If GSP protector is not totally adsorpted, please gently press to air drive the air. 4. If necessary, wipe the dust and smudges left during installation from the glass protector with cleaning cloth..