Filming steps: 1: First clean off the dust completely 2: Tear off label 1 and slowly paste it from one corner 3: During the pasting process, use the card to slowly remove the air bubbles, and make sure that there is no dust in the position that has not been pasted (this step cannot be fast, it must be taken slowly) 4: After completing step 3, tear off the label 2 and the film is completed Final reminder: If you find dust in the film, please use a dust removal sticker to remove the dust, and make sure not to touch the sticking surface directly with your hands If the received package is damaged and the product is damaged, please contact us in time to replace it. thanks . Color reproduction, vivid and beautiful, clear and natural picture . Ultra-thin design, does not affect the appearance of the computer . Anti-glare coating to effectively eliminate reflected light and glare . With optical nano coating, the surface can effectively prevent static electricity generation . Good venting and easy attachment