To set up YouTube TV on your Firestick, start by navigating to the Amazon App Store on your Firestick device. Search for the YouTube TV app and select “Download” to install it. Once installed, open the app and select “Sign In.” You’ll be prompted to visit tv.youtube.com/start on a separate device. Enter the activation code displayed on your Firestick and sign in with your Google account. After successful verification, your Firestick will be linked to your YouTube TV account, giving you access to live TV, on-demand content, and DVR features right from your device.