The iTunes movie rental service works smoothly. Go to the iTunes Store, find the content you want to rent, pay, and download the movie to your computer. This step-by-step guide will walk you through the process of renting movies from the iTunes Store.
To rent a movie from the iTunes Store:
Launch iTunes on your computer and select Store (at the top of the window).
To go to the movies section of the iTunes Store, click the media drop-down arrow and select Movies.