Clean the screen with any lotion that contains alcohol.

(it refers the universal protection foil)

Put the auxiliary foil (foil with cutting corner) on the screen and draw a pen outline in order to get the correct shape.
As well You can look for an outline on this website.
The auxiliary foil prepared in this way put on Protector (protection/mirror foil) and cut it accurately.

Unstick the Protector from it's base, and re-stick it on a base so it overlaps the edges by about 5 mm.

Stick Protector on a sreen begining from a bare part. Flatten the surface with fingers.

Some bright blisters can occur - it's natural.