When it comes to windows unfortunately antivirus software is a must in order to keep your system safe and secure from viruses, spywares, Trojans and hackers. But only choosing an Antivirus software is not enough, if you want real protection than you should also upgrade to the newer version of windows for secure file system and less loop holes. So if you have latest windows version and have enable windows update so that your computer have no vulnerabilities then its time for you to install some Free Antivirus software for 100% safety.

1. AVG Anti-Virus Free Edition.

avg antivirus


In my list AVG is no doubt the no 1 free antivirus of 2013 because it trust by million of users world wide. The reason AVG antivirus is no 1 in my list is because its the only antivirus on internet which provides extra premium features in free edition as well so that you fully enjoy the free edition. Also it automatically updates the software daily so that even the newest virus can be found on your system and disable them as soon as possible.

Download AVG Anti-Virus Free Edition

2. Microsoft Security Essentials.

microsoft security essentials


On my list of top 4 antivirus of 2013 Microsoft Security Essentials is on number 2 because it has lots of download over the last month and Microsoft has gain credibility in antivirus software as well. Obviously the biggest edge Microsoft Security Essentials is that you don’t need to install additional software(only in windows 7) and you are ready to go. The positive point of Microsoft Security Essentials is that it quietly runs in background with no pop up messages to irritate you while you work.

Download Microsoft Security Essentials

3. Avast Free Antivirus.

avast free antivirus


Avast Free Antivirus is the oldest free antivirus software on this planet with amazing tight security in free edition. The free edition is packed with antivirus and anti-spamming technology for better internet surfing but the biggest drawback of Avast Free Antivirus is that it only detects and quarantine the virus, in order to delete the virus you have to upgrade. But as long as you have free version installed you have no worries.

Download Avast Free Antivirus

4. Avira Free Antivirus Edition.

avira free antivirus


Last but not least is the Avira Free Antivirus Edition which is the lightest and smallest in terms of size but in terms of quality Avira is very efficient and secure. But like Avast antivirus it only detects virus and disable them so that they never heat you but in order to delete the virus to have to upgrade the software.

Download Avira Free Antivirus Edition