Access required both a subscription to HBO and Time Warner Cable's Roadrunner internet service.

In October 2011, Roku became the first television-connected device to support HBO Go, with later availability on Apple TV, Chromecast, PlayStation, Samsung Smart TVs, and Xbox.

[13][14][15][16] In January 2019, HBO Go dropped support for PlayStation 3, Xbox 360, and Samsung Smart TVs manufactured before 2013.

Although WarnerMedia initially planned to relaunch these services as HBO Max in 2022, the launch was postponed.

HBO original series were available on a permanent basis, with new episodes typically becoming available for streaming at the time of their initial broadcast in the United States' Eastern Time Zone on the linear HBO channel.