You have the option to add channels to Roku via the device itself, on the mobile app or via the website.
To add channels to your YouTube TV subscription, you'll need to go into your account settings. Each channel comes with its own monthly fee.
If you're looking to add some extra free channels to your smart TV using an antenna, you'll need to first know how to get them all loaded up. Simply plugging in the remote won't just give you instant ...