You are offered to enroll in Norton Automatic Renewal.
Go to norton official site.
Click Sign in.
If you do not have a Norton account, click create a new account and complete the sign-up process.
In the Get Started page, click Enter A New Product Key with norton setup.
Type the product key and click next.
Your product key is a combination of alphabetic and numeric characters.
Read the License and Services Agreement and click Agree.
In the Annual Automatic Renewal Authorization page, credit card details.
Read the Subscription and on norton setup.
Click Turn on Automatic Renewal or Start Subscription.
Click Agree & Download.
Follow the instructions displayed to Run or Save the Downloader file.
Once the Norton installer is executed, your product is downloaded, installed, and activated