Follow the instructions given to activate the Peacocktv.com/tv activation code in your TV.

Before all else, go to your Peacock.com/tv activation website.
Install and download the Peacock TV App, and then start the application on your device.
When you’ve launched your application, log into the application.
After you log in, you will receive your Peacocktv.com/tv activation code on the display.
Visit your Peacocktv.com/tv activation website where you can enter the code for activation.
You can now activate Peacock on your TV. Peacock App to your television.