Follow these steps to sideload TVMucho on your Android TV.
Open the ‘Settings’ menu by clicking the gear icon on your home screen.
Navigate to ‘Device Preferences’, then select ‘Security & Restrictions’.
Under the options, click ‘Unknown sources’.
Locate your file manager software from the list of apps and Switch Unknown Sources to ‘On’.
A warning message will state that your device will be more vulnerable to attack.
Click ‘OK’ to continue.
IMPORTANT: Once you have finished installing TVMucho, it is recommended that you switch off installation from unknown sources so that malicious apps can install themselves on your device.