Antivirus are two types Free Antivirus and Paid Antivirus. You can download easily free antivirus setup and after some days/month you face it side effect and if you buy a paid Norton antivirus setup you don't face any type problems and if you face pr

Antivirus is an integral part for any PC when it comes to safety and security. Apart from that antivirus is protective to the system with enhancing the speed of system functioning. These are technically advanced with enhanced performance every time.