Hello Greg,
You have AVG Internet Security - Unlimited Devices (1 year subscription) valid till 15th April 2019.
This product doesn't have a license number. Its activation is by entering AVG my account credentials.
If you have the latest 18.3 version of Internet Security installed, click on "My AVG-->My Subscriptions" on the interface.
Click on "Log in" to enter your AVG my account credentials and complete the activation.
If you have "Log out" option then click on it and you will be able to see "Log in" option.
Feel free to contact us if you need further help.