A:AnswerThe Apple TV box can be connected to this TV via HDMI.
I read that the Apple TV app was coming to the Insignia TVs but as of Dec 2019 it is still not available.
A:AnswerThere is an app store where you can add specific streaming channels. If I remember correctly it's under the settings. If you have the voice activated tv you can ask her how to find the streaming channel app.
A:AnswerYou will need to buy a $10 HD antenna and add your local channels plus more.
Watch "Installing an HDTV antenna for "Free TV"" on YouTube
https://youtu.be/O4UMP5t_cn8