These viruses can also contaminate our operating systems. These viruses make our computer operate slow and also some of the hazardous viruses can steal our data. Viruses can enter in our computer throughout many ways like through Internet Browsing, From USB devices and more by installing some infected software. This antivirus are listed according to their user ratings and reviews.Īntivirus is a program that is installed on our computer and is competent to record the harmful viruses and eliminates them from our computer. Today we are going to share top 20 best Antivirus, with the help of this list you can easily eliminate threats from your computer.