Norton is one of the oldest antivirus security software available in the market. It is launched and marketed by Symantec Corporation . It can be easily run on any supportive devices such as Mac, Windows, iOS, and Android. It offers a trial package along with paid subscriptions with attractive and user-friendly features. Symantec’s Norton uses heuristics and signatures to detect and scan viruses. Apart from these interesting features, Norton also provides web security along with phishing protection and e-mail spam filtering options. In order to avail its features and services; users need to visit the site at norton.com/setup. Norton Activation key is the 25 digits of secure keys used to renew a subscription. It is also used for taking a new subscription. These keys are split-up into five distinct sections and each section comprises five alphanumeric keys that should be used safely and securely.