How to watch YouTube TV on your Apple TV device by accessing and activating the app

To watch YouTube TV on your Apple TV device, you first have to download the YouTube TV app and then sign in to your account ...

'How many devices can you use on YouTube TV?': You can connect up to 3 devices to your subscription at once — here's how that compares to other streaming services

You can connect up three devices to your YouTube TV subscription at the same time and have up to six separate profiles on the account.