norton.com/setup - There are two ways of getting this activation code or product key related to your particular Norton protection:
Retail or Offline mode: If you have purchased your Norton antivirus program online or retail, it will be inside your Norton package. Unpack it and get the retail card inside it and then check it thoroughly for the activation code. Online Mode: If the product has been purchased via online mode, then the respective product key must be inside your mailbox that is registered with Norton. Check the mailbox for the 25 character activation code.