To ensure that you have 8.0 - the latest version of the app...
-From the Roku Home screen, choose Settings.
-Choose System.
-Find and select System update.
-Select the Check Now button to run a system check.
-You will see the Roku update Pluto TV channel.
Note: Once update is complete, you can click back to Home and select Pluto TV channel and hit * to view the updated app version. For more information visit pluto.tv/activate or call our customer support number for instant help.