When your device is connected with the internet network (a wider network) where both secured and unsecured connection is present. Now antivirus becomes an essential thing to protect the device from this unsecured connection because of viruses, malware, ransomware, Trojans, online threats. To protect our devices from these very harmful viruses we require the best and effective antivirus like Norton Antivirus. Install Norton antivirus is a well-known name among them for its protection and its performance. For Installation dial 1-866-549-8444 where you can get the subscription plan for the software.