HBO Max is an online video streaming platform launched in May 2020 by WarnerMedia Entertainment. It's free for current subscribers of the HBO cable network and the HBO Now streaming platform.
HBO Max movies come from HBO's own current library and from other WarnerMedia properties. At launch HBO Max movies included the entire Harry Potter film franchise and the entire collection of DC Comics Universe movies. The catalog includes recent hit movies such as Ad Astra and John Wick: Chapter 3. Also availlable are a large collection of classic movies from TCM, including Gone with the Wind, Citizen Kane, and Casablanca.
HBO Max is viewable on computers and mobile devices. It is also viewable on some smart TVs and TVs equipped with Apple TV or Chromecast. At launch, the service could not be viewed through Roku or Amazon Fire TV set-top boxes.