Go to your TV with a streaming device attached/plugged in.
Press the power button.
Use arrow buttons to get to Add Channels and press OK.
Use arrow buttons to search for channels.
Use arrow buttons to type the name of the service you want to add, IE: Friendly
Follow the on-screen prompts to download the app to your device.
Go to the channel and enter your username and password you created to sign up for this service.
NOTE: Repeat the process for each TV/Device and for each streaming service you would like to purchase.