CaseBuy Anti-Glare Anti-Scratch 11.6-Inch Matte Finish Touch Screen Protector Guard Film Cover Skin for Dell Inspiron 11 3000 series i3147-3750sLV i3148-6840sLV 11.6-Inch 2 in 1 Convertible Touchscreen Laptop - Retail Packaging

Installation Guide:
1). Start by choosing a brightly lit, dust-free environment and clean the screen thoroughly with provided microfiber cleaning cloth.
2). Slowly peel away the film layer labeled "Step 1". Hold screen protector along the edges and avoid touching the film and screen surface.
3). Before placing screen protector, carefully align the cutouts and edges to your screen and slowly lower the screen protector starting from the bottom and work your way up.
4). Gently sweep through the screen surface with the provided squeegee card. Push out any air bubbles towards the nearest edge. Repeat step 4 as necessary.
5). Finally, remove the film layer labeled "Step 2" and you are done!

We highly recommend install this prodcut at a clean environmental area.
Installation video may also be found online.