Mar 242010

Antivirus software is a term used to describe a computer program that attempts to identify, neutralize or eliminate malicious software. This type of software is so named because the earliest examples were designed exclusively to combat computer viruses; however most modern antivirus software is now designed to combat a wide range of threats, including worms, phishing attacks, rootkits, trojan horses and other malware.

This tutorial we will see list of free antivirus software available windows operating system

Avast Free antivirus

avast! 4 Home Edition is a full-featured antivirus package designed exclusively for come users and non-commercial use. Both of these conditions should be met! Our company offers the Home Edition free of charge, since, in our opinion, it is possible to avoid global virus spreading by efficient prevention; however, many users are not able to or do not want to pay for antivirus software.

Supported Versions :- Windows 7/Vista/XP/

Download avast! from here

Latest Version :- 5.0.462

AVG Anti-Virus Free Edition

AVG Anti-Virus Free Edition is an anti-virus scanner that offers Resident protection, e-mail Scanner, On-Demand Scanner, and Virus Vault for safe handling of infected files and automatic updates. The free version is limited in features, but includes all basic scanning functionality as well as real-time protection. It uses the same scanning engine as the commercial version, however updates are provided on low priority basis.

Easy to use, low system resources
Automatic update functionality
Real-time protection as files are opened and programs are run
AVG’s Virus Vault for the safe handling of infected files

Supported Versions :- Windows 7/Vista/XP/2000

Download AVG from here

Latest Version :- 9.0

Avira AntiVir Personal Edition

Avira AntiVir PersonalEdition Classic offers the effective protection against computer viruses for the individual and private use on a single PC-workstation. It detects and removes more than 50,000 viruses and an Internet-Update Wizard for easy updating. The built in resident Virus Guard serves to monitor file movements automatically, for example when downloading files from the internet. Heuristic scanning protects Protection against previously unknown macro viruses.

Supported Versions :- Windows 7/Vista/XP/2000

Download Avira from here

Latest Version :-

Microsoft Security Essentials

Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software.

Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple.

Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times.

Supported Versions :- Windows 7/Vista/XP

Download Microsoft Security Essentials Anti-Virus from here


Free, small footprint anti-virus and anti-spyware scanner anti-virus software tends to be big and bloated, use plenty of RAM and system resources, and generally clog up your system. Worse is that increasingly, anti-virus makers make it difficult to buy anti-virus software by itself, and include firewalls, anti-spyware and other software with it. If you want a clean, mean piece of anti-virus software that does just one thing — protect against viruses — you’ll want this program.

t has a small footprint, and doesn’t take up much system resources. It will scan your entire hard disk at once for viruses and spyware, or can scan individual files and folders.

It also includes a Microsoft Outlook add-in to remove virus-infected attachments automatically from your email. There is one drawback to the program, though: It oesn’t include real-time virus protection.

Supported Versions :- Windows 7/Vista/XP/2003/2000/Windows Server 2008 and 2003

Download Clamwin from here

Latest Version :- 0.95.3

PC Tools AntiVirus Free Edition

PC Tools AntiVirus Free Edition is an anti-virus scanner, that provides real-time protection against viruses, worms and Trojans. It also offers on-demand scans, as well as automatic updates and real-time scanning of incoming and outgoing mail.

Other features include heuristic scanning and scheduled scans. The Free Edition offers limited support and non-priority updates.

Supported Versions :- Windows Vista/XP/2000

Download PC Tools AntiVirus from here

Latest Version :- 6.1

Dr.Web CureIt

Dr.Web CureIt is a standalone anti-virus and anti-spyware scanner that scans your PC for viruses, trojans, adware, spyware, hack tools, rootkits, and other malware. The program does not require an installation and can be run from a USB drive. This is an on-demand scanner only, it can detect and remove virus infections but does not provide any real-time protection. Dr.Web CureIt is based on the ICSA certified Dr. web scanning engine and should provide reliable detection.

Supported Versions :- Windows Vista/XP/2003/2000

Download Dr.Web CureIt from here

Latest Version :- 5.0

BitDefender Free Edition

BitDefender Free Edition offers ICSA Labs certified virus scanning of your files. It includes an on-demand Virus Scan, Scheduler, Online Update, Quarantine and reports. In addition, the scheduler allows you to scan selected files, folders or drives automatically at user specified intervals. BitDefender can scan inside archives, mail databases (Outlook etc.) as well as the boot sector. The free version does not include on-access or email scanning, so it is not suited as your only virus protection, however it is useful as a `second opinion scanner` since it integrates into the Explorer right click menu, and lets you easily access it when you need to scan a file.

Supported Versions :- Windows Vista/XP/windows home server

Download BitDefender Free Edition from here

Latest Version :- 10

MicroWorld Free AntiVirus Toolkit Utility

MWAV provides you with a FREE utility to enable you to scan for any virus, spyware, adware or any other malware from your computer. MWAV requires no installation and can be run directly from any where on your computer or from a CD ROM. It can also be run even if you have any other antivirus software installed on your computer.

The detection database will constantly be kept updated on a daily basis to detect newer spyware and adware, plus the engine is constantly being improvised for faster and intelligent detections.

Supported Versions :- Windows 7/Vista/XP/2000/windows server 2008

Download MicroWorld Free AntiVirus Toolkit from here

Latest Version :- 11.x

Antidote Super Lite version

Freeware lite version of the commercial Antidote program. It utilizes the same virus database as the commercial version.

Supported Versions :- Windows XP/2000/98

Download Antidote Super Lite version from here

Comodo Anti-Virus

Comodo Antivirus provides real-time scanning, where it resides in memory and checks your programs for viruses as they are run, as well as on-demand scanning for viruses. You can also schedule your scans. It automatically updates itself through the internet. This is a Windows program.

Supported Versions :- Windows 7/vista/XP/2000

Download Comodo Anti-Virus from here

Latest Version :- 4.0

If something is missing from this list please let us know we will add to this list.

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  54 Responses to “List of Free Antivirus software for windows 7/Vista/XP/2000/Windows server 2008/2003”

  1. my avasti free antivirus has been expired.In order to renew it ,i need the liscense key numbers.can you please send me it again.

  2. is there a free antivirus software for windows 2000 available?

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