Steps to Install The Weather Network TV App on Roku TV:

1. On your Roku home screen, press the Right button on your remote to access installed apps.
2. Scroll down and select "Add Channel" by pressing OK.
3. In the app store, use the magnifying glass to search for The Weather Network or find it under Recommended apps.
4. Select the app and press OK, then choose "Add app" to install.
5. Return to the home screen, scroll through your apps to find The Weather Network TV App.