free antivirus

Comodo Firewall + Antivirus – protect your Windows

Comodo Firewall + Antivirus is a free security suite which allows users to have the protection of both a firewall and an antivirus. There are many options for advanced users, although it is also quite simple for beginners and entry-level users. Comodo is currently available for 32-bit and 64-bit Windows users. However, you have to keep your attention on the installation to opt out of SafeSearch and toolbar options.

MalwareBytes Anti-Malware – destroy bad bytes in a jiffy!

MalwareBytes is a free and easy-to-use anti-malware program which effectively scans your computer and removes malware & other malicious programs. It is also quite fast, as a quick scan only takes around 8 minutes. MalwareBytes can also determine the difference between dangerous applications, as well as false positives. The software has been CNET's Editors' Choice in April 2009 and is available for Windows only at this time.

Avast! Home Edition – Free Quality Antivirus Software for Windows

Are you looking for good, uncomplicated antivirus software to protect your computer, but don't want to cough up the dough for it? Then Avast! Home Edition is the free antivirus, anti-spyware software solution for you. This full-featured antivirus software package is made exclusively for non-commercial home use only. Avast! is free, but you must register the software before the end of the initial 60 day trial period. Don't worry, because registration is also FREE! After registering, you will receive by e-mail a license key valid for one year.

Avira AntiVir Personal – Free Quality Antivirus Software for Windows

Avira AntiVir Personal is a solid, reliable and free antivirus solution that constantly and rapidly scans your computer for malicious programs such as viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc. Monitors every action executed by the user or the operating system and reacts promptly when a malicious program is detected. This is a free software for personal use only with other paid versions available for more advanced and business/commercial use. As just the free version, the software has been highly reviewed by CNET and Softpedia and has received many positive user reviews.