You can watch the movie Divergent on several platforms:

• Streaming on Netflix in the US and Canada

• Streaming on Crave Starz, Club Illico, Starz Amazon Channel, Netflix Standard with Ads, and Lionsgate+ Amazon Channels in Canada

• Available to buy or rent on Amazon Video, Apple TV, Microsoft Store, Fandango At Home, Plex, and Cineplex as digital downloads or rentals

• It will be available to watch on The Roku Channel starting July 1, 2025

So, if you have a Netflix subscription, that is the easiest way to watch it instantly. Otherwise, you can rent or buy it digitally from the mentioned stores.