8. Once the decal seems to be sticking well then you have to feed the edge of the decal into the edge of window.
9. Once decal is neatly stuck upto the edge of window now use a sharp blade and cut following the edge of rubber seal round windscreen and remove excess material.
10. The use of a heat gun or hair dryer can help with feeding the material into the edge of windscreen, gentle heating softens the vinyl and makes it easier to work and helps it stick.