This is what happens when window film is installed.
As it begins to dry all the moisture collects into pockets that look like bubbles and cause the adhesive to cloud up. The film gets a cloudy or dirty appearance then over the course of a few days it clears up completely. Although it looks really bad it’s perfectly normal and causes no harm to the film.
Inexpensive films are thinner and will clear up very fast but quality films are thicker and require more time. During the dryout time it is still