Best Free Antivirus Programs For Windows

These days, without installing antivirus software on your computer, the chances of getting infected or attacked by viruses, trojans, malwares and spywares is very high especially if these computers are connected to internet. So, installing antivirus software is a must software to protect their computer. There are many antivirus software over the net which provides different levels of security protection from viruses, trojans, malwares and spywares. But here I will provide you all a list of free AntiVirus software which can be download freely to protected your computer.

• avast! 4 Home Edition – Freeware for personal, non-commercial use only (registerware)
  • avast! Home Edition is the freeware version of avast! antivirus available to Microsoft Windows and Linux users, while avast! Professional Edition is offered to businesses and users that want additional featues. avast! Professional Edition contains an enhanced user interface, through which scanning tasks can be scheduled to run automatically, while priority updates are delivered automatically using the avast! PUSH update technology. In addition the Professional Edition also has a command line scanner and a script blocker.
• Avira AntiVir Personal – Free Antivirus for home use only (nagware)
  • Avira AntiVir Personal is a nagware. The application is for personal use only. Like most antivirus software, it scans disks for viruses and also runs as a background process, checking each opened and closed file. It can detect and possibly remove rootkits. It also performs Internet updates (daily by default) in which it opens a window, with an advertisement suggesting that the user purchase Avira AntiVir Premium. Avira updated all their products to version 9.0 as of March 2009.
• AVG Anti-Virus Free – Freeware for personal, non-commercial use only (registerware/nagware)
  • AVG released AVG Anti-Virus Free Edition 8.5 on March 2, 2009. AVG Free Edition 8.5 continues using the more colorful interface and combined Anti-Virus and Anti-Spyware protection engine introduced in the AVG 8.0 product range in April 2008. However, AVG Anti-Virus Free Edition 8.5 added the LinkScanner Active Surf-Shield safe surfing (drive-by download) protection, which was previously only available in AVG commercial versions.
• BitDefender Free – Free Antivirus for home use only (lacks an on-access scanner)
  • Bitdefender is designed to protect computers from viruses and spyware. Older versions of BitDefender are made available for free download when newer versions are released. Unlike the commercial version, the free version only offers an on-demand virus scanning and doesn’t provide real time scanning, and may therefore be less suitable for machines with a continuous connection to the internet.
• Comodo AntiVirus – Free for both home and business use (now is a part of Comodo Internet Security)
  • Comodo AntiVirus is now part of Comodo Internet Security suite. Comodo Internet Security has all the functionality of a paid AV without the price. It eliminates ALL known Viruses, Worms and Trojans from desktops and networks with no license fees or hidden costs.
    Comodo Internet Security will help you detect and remove viruses, Trojans, and other malicious software and hackers, and keep them out of your computer. In one easy-to-use bundle that won’t slow down your computer.
• DriveSentry – Freeware (with some paid features)
  • DriveSentry provides a realtime and on demand virus scanner, and uses a number of methods to determine if an application contains a virus before allowing it to run. DriveSentry partners with Offensive Computing and Frame4 Security Services to collect and analyse malware samples for the database list, partnering in this way ensures that the database is fed by multiple sources and therefore offers redundancy. An issue of concern for antivirus users is automated renewal fees. Although DriveSentry is free to use, those who wish to upgrade and use it’s advanced features are required to make a single payment which is for the lifetime of the system.
• Rising Antivirus Free Edition
  • Rising Antivirus Free Edition 2009 is a solution with no cost to personal users. It protects your computers against all types of viruses, Trojans, worms, rootkits and other malicious programs. Ease of use and Smartupdate technology make it an “install and forget” product and entitles you to focus on your own jobs with your computer.
• ClamWin Anti-Virus – Open source free AntiVirus come under GPL license
  • This free anti virus compatible for Windows 98/Me/2000/XP/2003 and Vista. Security features include – high detection rates for viruses and spyware; automatic downloads of regularly updated Virus Database, Standalone virus scanner.
• PCTools Antivirus
  • With PC Tools AntiVirus Free Edition you are protected against the most threats that are attempting to gain access to your PC and personal information. It protects you from Virus, worm, Trojan and has Smart Updates, IntelliGuard Protection, file guard and email guard.