There are different ways to find your product key depending upon your situation. The best way is to get it from your Norton account.
In most cases, you do not need the product key to update your Norton subscription. If your Norton product is expired or shows incorrect subscription days, then you may need to download the product from your account which has the current subscription.
Go to norton.com/setup.
If you are not signed in to Norton already, you will be prompted to sign in. Type in your email address and password for Norton, and click.
In the Setup window, click .
Do one of the following depending on your browser:
For Internet Explorer or Microsoft Edge browser: Click.
For Firefox or Safari: On the top-right corner of the browser, click the Download option to view the downloaded files, and click the file that you downloaded.
For Chrome: On the bottom-left corner, click the file that you downloaded.
If the User Account Control window appears, click .
Follow the on-screen instructions.
Your Norton product is now installed and activated.
We have seen cases where the subscription doesn't get updated if you purchase and download a new copy of the same Norton product that is installed on your computer. In that case, you need to find the product key and reactivate the product on your computer.
You can find your product key based on how you obtained your Norton product. Choose one of the following:
Thank you for using Norton Support.