Antivirus software is a program that allows users to keep safe there data from attackers like viruses, Trojans, spyware, malware and also from hackers while we are doing online transactions. Some antivirus software help user to keep safe their identity and also show a warning to users when they try to visit some untrusted site and Mcafee is best for doing this. You can contact McAfee Installation for any query. Risk of not having Antivirus -: How long have you been on the Internet? And you don't have any Antivirus software? That's certainly a big risk. Antivirus software utilities are expensive? Yes, it is true. Many of these programs are expensive, but they are absolutely essential. Once installed on your system, and if kept properly updated of all virus definitions, an antivirus software utility will scan all files and separate the suspicious from the safe. It will alert you if a file is infected and either delete it or quarantine it so