Free Apple TV + for one year

MacBook, OS X 10.11

You would find the year offer on a new device with the latest software version. For new Macs, that would be the TV app on macOS Catalina 10.15.

Follow the instructions:

• Turn on your new Apple device and sign in with your Apple ID.
• Open the Apple TV app. Make sure your device is running the latest version of iOS, iPadOS, tvOS, or macOS.
• The offer should be presented immediately after launching the app. If not, go to the Apple TV+ channel page where you’ll see the offer.

Tap Enjoy 1 Year Free.

Apple TV + Offer

https://support.apple.com/en-us/HT210573

you're welcome