10 Best Free Antivirus Software

Antivirus software is a necessary on every computer that accesses the Internet on a daily basis. Without antivirus software, your computer could be susceptible to infections that could slow performance your computer, keep you from browsing the Internet or even loading programs. You can prevent that by installing antivirus software on your PC. There are many free antivirus programs available for Windows 7, Windows Vista, Windows XP users. Here is the list of 10 best free antivirus software to protect your computer.


AVG Anti-Virus Free

AVG Anti-Virus Free is the best free antivirus program available today due mainly to the huge number of premium-level features, full antivirus and antispyware engines, and automatic background updating. AVG Anti-Virus Free works on Windows 7, Windows Vista, Windows XP and Windows 2000.


Microsoft Security Essentials

Microsoft Security Essentials is free and we designed it to be simple to install and easy to use. It runs quietly and efficiently in the background so you don’t have to worry about interruptions or making updates. Use Microsoft Security Essentials to guard against viruses, spyware, and other evil software. It provides real-time protection for your home or small business PCs.



avast! Free Antivirus is a complete anti-virus package, that is is free for registered home non-commercial users. It contains an on-demand scanner with two interfaces (simple for novices and advanced for experienced users), an on-access scanner with Standard Shield (which protects against execution and opening malware programs) and an embedded e-mail scanner which scans incoming and outgoing email messages. avast! Free Antivirus supports Windows 7, Windows Vista, Windows XP and Windows 2000.



Avira’s Free Antivirus is their entry-level antivirus. It is capable of eliminating many forms of malware, including worms, rootkits and costly dialers. Though the user interface looks quite technical you’ll get used to it in no time. It is not complicated, just too technical for newbies.


Bitdefender Free Edition

Bitdefender Free Edition uses the same ICSA Labs certified scanning engines found in other Bitdefender products, allowing you to enjoy basic virus protection for no cost at all. This free antivirus software download is an on-demand virus scanner, which is best used in a system recovery or forensics role. If you are on an “always-on” Internet connection, we strongly advise you to consider using a more complex antivirus solution.



ZoneAlarm Free Firewall blocks viruses that antivirus alone misses, stops hackers attempting to break into your computer, and unlike the default Windows firewall, provides outbound firewall protection to stop spyware from phoning home and botnets from taking over your PC. ZoneAlarm Free Firewall is easy for anyone to use.


Panda Cloud Antivirus

Panda Cloud Antivirus Free gets impressive marks for its detection rates, making it a solid dark-horse candidate even though it could be lighter on system impact.


Comodo Antivirus is the free way to rid your computer of viruses, malware, Trojans, worms, hackers, and other Internet threats. Scan any drive or file. Get in-depth reports on viral activity.



PC Tools AntiVirus Free

PC Tools AntiVirus Free offers basic protection against viruses and other malware. While not my favorite, AntiVirus Free is still one of the best free antivirus programs you’ll find. PC Tools AntiVirus Free works on Windows 7, Windows Vista and Windows XP.



Malwarebytes is an unique kind of easy-to-use Anti-malware application and Antivirus which actively protect against all forms of Malware. This software is very simple to use. Let it be installation, configuration or detecting malware, the process is really simple and straight.