George Miller (the genius behind Mad Max: Fury Road) didn’t just point a camera at two people talking in a hotel room. This film is an orgy of color theory, texture, and IMAX framing.
When you download from sites like mp4moviezma, you lose the "grandeur." You are literally watching a diminished version of a film about immense scale.
You searched for a "better" way to get the movie. Usually, that means faster or free. But let me offer a different definition of "better":
Alithea is a control freak. She sees visions of other Djinns (her hallucinations), but explains them away as migraines. The central question of the film is: Do we choose loneliness because it is safe? When the Djinn kisses her, she doesn't melt; she has a panic attack. That is real. That is better than any CGI battle.