1. Open the app on your device and then navigate to the streaming channels menu
2. This menu is a representation of the channel store and hence you can search any channel here
3. Search for and add the Twitch channel on your app
4. For which, just long press on the channel icon and then, select the ADD CHANNEL option
5. Simultaneously, enter the channel activation code displayed on your TV on the channel activation webpage
6. Check if you are able to stream the Twitch channel on Roku device after this activation is over
7. Otherwise, restart your streaming device and try once again
Further details call the toll-free number @ +1-855-718-4111.