Apple users can activate the Apple TV and other Apple apps like Apple Music and iTunes for their smart TV. Visit activate.apple.com, where you need to enter the code through which you will be able to activate the Apple TV for streaming. Without activating the Apple TV, you cannot use it on your device. To activate your Apple TV, you typically follow these steps:

• Turn on your Apple TV after connecting it to the TV.
• Establish a web connection with your Apple TV. Either a conventional or wireless connection can be used.
• You should see the Apple TV setup screen on your television.
• Choose your language and area by following the on-screen directions.
• Select to configure the Apple TV as a new device or (if relevant) restore it from a backup when requested.
• During the setup process, you might be prompted to provide an activation code to turn on your Apple TV.
• Go to activate.apple.com on a computer or mobile device, or any other website indicated on the screen, if prompted.
• Upon being requested on the Internet, enter the activation code that appears on your TV screen.
• Follow any additional instructions provided on the website to complete the activation process.
• Once the activation is successful, your Apple TV should be ready to use.

If you need to activate Apple TV on other devices, such as an iPhone, iPad, or Mac, you can use the Apple TV app or the AirPlay feature.

Here's how you can activate Apple TV on other devices:

• Ensure that your Apple TV is connected to the same Wi-Fi network as the device you want to use for activation.
• On your iPhone, iPad, or Mac, make sure you are signed in to the same Apple ID that you want to use for your Apple TV.
• Open the Apple TV app on your device. If you don't have the app, you can download it from the App Store.
• Sign in to the Apple TV app with your Apple ID.
• If you're prompted to enter an activation code at activate.apple.com website.
• Once the activation is successful, you should be able to access your Apple TV content on the device.

Alternatively, if you want to use AirPlay to stream content from your iPhone, iPad, or Mac to your Apple TV, follow these steps:

• Make sure your Apple TV is turned on and connected to the same Wi-Fi network as your device.
• On your iPhone, iPad, or Mac, open the app or content you want to AirPlay.
• Look for the AirPlay icon (a rectangle with an upward-pointing arrow) within the app or control center.
• Tap or click the AirPlay icon and select your Apple TV from the list of available devices.
• If prompted, enter the code displayed on your TV into your device to pair them.
• Your device's screen or content should now appear on your TV through the Apple TV.