Best Free Antivirus Software for Computer

When you are accessing Internet on your PC, you may be a victim of various viruses and malicious attacks. Even a computer which is not connected to the Internet can be infected via a CD, DVD, USB drive etc.  In this article we will take a look at some free antivirus solutions.

Microsoft security essentials: 

Microsoft Security Essentials is world-class security for your PC that's free (Your Windows OS must be a genuine copy of windows to receive automatic updates) . It Provides Real-Time Protection which alerts you when spyware, virus or any other unwanted software attempt to run or install on your computer, and such suspicious files and programs are prevented from opening. With this software you can scan you computer system  for any viruses, spywares or other malicious software.


Avast is a free antivirus software developed to protect computers against viruses and spywares. It is also a free antivirus. Avast Pro Antivirus, and Avast Internet Security are paid version. Its free version Blocks all Viruses and Spywares. Firewall, Safezone, Sandbox these features are available with paid versions.


Avira is another good free antivirus program. Its system scanner prevents your pc to get infected from viruses, worms and Trojans. Blocks new viruses before they run. It has AHeAD Technology which halts unknown code that looks suspicious.

AVG Free Edition

AVG is one of the most used free antivirus software. It is available in free and paid versions. Free version only detects and stops viruses, threats and malware. Features like download and share files safely, stop instant messaging viruses, email protection, shopping and banking protection, data protection from hackers, fast scan and video streaming, and last Free telephonic  Support are available for Paid Version.