List of Totally Free Antivirus Software
Available from antivirus.comodo.com, this is a utility described as “Free forever." Now available as part of the Comodo Internet Security suite, it also includes a firewall (but you can choose not to install this).
There is much to recommend with Comodo Antivirus- most notably its unobtrusive background scanning and deep penetration full scans. With regular virus updates and configurable system scans, Comodo AntiVirus is a great choice.
Microsoft Security Essentials
Released by Microsoft in 2009, Security Essentials is designed for use on legal copies of Windows XP, Vista, and 7.
Available totally free, Microsoft Security Essentials provides unobtrusive and comprehensive protection from all of the usual malicious software that can be found online, and as a Microsoft tool effortlessly integrates with the visual look of Windows.
Available from www.free-av.com, Avira Antivir is highly regarded, having being awarded the Editors’ Choice award on CNEt in April 2009.
Recently enhanced to now include an anti-Spyware solution, Avira Antivir is available in several languages; however daily updates can prove intrusive, offering adverts for the premium version of the product.
For standard users however, Avira Antivir is a popular choice.
Avast Home Edition
This totally free antivirus program is available from www.avast.com and offers antivirus, anti-Spyware and anti-rootkit protection. With regular updates, active protection, and P2P and IM shields protecting your PC from malicious code sent via filesharing networks and instant messengers, Avast Home Edition is a very popular choice.
Although it remains totally free, Avast Home Edition requires registration after 60 days of use – this must be updated every 14 months for continued use of the software.
A famous choice over the years, AVG Free (available from free.avg.com) is specifically for home users and offers basic antivirus and anti-Spyware protection. It is compatible with Windows XP and later and is designed to both utilise minimum system resources as well as receive regular updates to keep your PC protected from new threats.