When your device is connected with the internet network, where the 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, ransom ware, Trojans, online threats. To protect our devices from these very harmful viruses we require the best and effective antivirus like McAfee antivirus. If you need help for McAfee Retail Card Activation issue then follow the given link.