You need to add the channel to your streaming device. You will be provided with the channel activation code on the screen after you download and install the channel. Note the code and surf to the HBO GO site and provide the channel activation code. You will be asked to provide the tv provider login credentials to stream the channel on the streaming device.
For further related issues on the hbo go account, get in touch with our customer support team @ +1-844-227-1410 and get rid of your problems.