Beginning on January 5, 2017, HBO GO will no longer be available on Samsung TVs released in 2010 and 2011. To find out if HBO GO is available on your Samsung TV, go to Samsung Compatible Devices with HBO GO.
If HBO GO is not available on your Samsung TV, you can use a connected TV device (such as Roku or Apple TV), a game console, or stream HBO GO to your TV using Chromecast.
For a list of supported devices, see Which devices is HBO GO available on?