If you are using it for the first time, you must activate the developer options in order to be able to activate the installation of applications of unknown origin.
How? Go to Settings -> Systems -> Information and in the last option where it says: Android TV OS Compilation you have to press repeatedly to activate it until you see the message: Now developer options are enabled!
Then go back to Settings and go to the Applications tab. Select the option security and restrictions – > unknown sources and from this section we will be able to grant permissions to all applications of unknown origin.
- Go back to the main menu or press the Wizard button on your remote control.
2. Select Search from the home screen. Say or type the name CLICtv and proceed to install it.
3. Once the app is found, press the install button and the app will be installed on your TV!