Tubi Tv is an ad-supported service that offers you a subscription-free service. We can help you with the process of how to activate Tubi TV on the Roku media streaming player. The process is quite simple, yet many people are not able to activate the channel despite going to Tubi. TV / activate the link. If you are dealing with the same problem, then all you need to do is, call us at our toll-free support number.