To activate your UKTV Play account on a Roku TV, you can follow these steps.
Ensure that you have the UKTV Play app installed on your Roku TV. You can add channels from the Roku Channel Store.
Open the UKTV Play app on your Roku TV.
The app will display an activation code on your TV screen
Then you have to visit www.uktvplay.co.uk/activate.
Enter the activation code that you received on your Roku TV.
Click activate
Login and enjoy streaming
For more visit: https://thewebsaga.com/uktvplay-co-uk-activate/