If you wish to add the FX Networks channel on Roku, you’ll have to access the Roku channel store. Find the app on the Roku channel store and click the Add channel tab. Surf to Tv.fxnetworks.com/activate and submit the activation code. The platform shall get activated in the process. In case of any queries with the FX Networks app, call the support team and get the issues fixed.You can even push the app to the limits and watch all the shows you like