Antivirus is very much necessary for your computer. Antivirus software protects your computer from dangerous threats. The installation of antivirus avoids the determined threats. Antivirus keeps your system away from unhelpful and wicked attacks. Experts usually suggest that a new system should have the antivirus installation to avoid future threats.
Through Internet usage you have more chances of getting your computer attacked by viruses. Once the virus enters inside the computer it spread to all the files, and reduces the computer working speed and lifetime. Antivirus can work continuously in your system, it detects the virus in the files and cleans up all the files.
The virus may attack your computer in many ways. Regular mail users are prone to get more virus threats, here virus can take the control over your address book. The virus is spread though sending mails to one another. When we install anti-virus it cleans up the address book from viruses.
Many antivirus software are available with many virus detective standards, choose the better one and install it to protect your computer from the threats.