How do I change Norton Security Deluxe to Norton 360 Deluxe

I purchased the "Norton Security Deluxe" and the seller informed me that it same "Norton 360 Deluxe" after using the confirmation key it turns out, not the same. kindly advise.

[Edit: Clarified subject]

On the main Norton web page, there is a large Upgrade for Free button. You can use that to have the Norton Security product upgraded.     https://us.norton.com/

Hi Alber Shenouda,

You can either try contact the seller and see if they will make it right or

Try contacting Norton Support and see if they can upgrade your current subscription to the one you want.  

You can contact Support through the following:

Chat - https://support.norton.com/sp/en/us/home/current/contact-chat   Click  "My issue isn't listed above"  link and fill out the form and then click Save and Continue at bottom.

Telephone - https://support.norton.com/sp/en/us/home/current/contact-phone   Click  "My issue isn't listed above"  link and fill out the form and then click Get Phone Number at bottom.