From linking a device to your account to adding channels, find Roku setup troubleshooting help and activation support from our community support forum.
Re: How do I access my RoKu account through a non-RoKu smart TV?
Assuming the TV has an HDMI port (as almost any TV does) then any Roku would work. Some Smart TVs have a Roku Channel app, but that is just the Roku Channel that you would find on a Roku, not the entire Roku.