In this article, I am going to discuss about "Best free Antivirus software for Windows 7 operating system".. When compare to older versions of Windows, Windows 7 is highly secure from viruses. Is it necessary of a antivirus software for Windows 7 operating system? What are the different types of free antivirus software's available in the market is discussed in detail.

VIRUS

Virus can be defined as "Virtual information resource under seize" . In general way, we can say our valuable information will not be available to us due to variable reasons. To avoid this, we use Antivirus software. Several paid and free antivirus software's are available in the market and internet. While choosing the best antivirus, we have to keep in mind about the below things.

1) Effectiveness
2) Scope of protection
3) Updates
4) Ease of setup
5) Ease of use
6) Help and support

"A good antivirus program is integral to the health and safety of any Windows computer, especially one that will be used for web browsing or file sharing". Behind this a antivirus software should do its basic thing to remove viruses by using minimal system requirements and to provide maximum security to the system.

"Best Free Antivirus software"

There are several free antivirus software's available in the market for Windows 7 operating system. I am going to discuss about a few best one's.

Avira Antivir

Avira Antivir personal is the best and simplest antivirus available in the market. The user interface is simple. It provides excellent protection against virus, spyware, adware and rootkit. It is very good in detecting root kit threats, malware. It has a very high virus detection rate, when compared to any other antivirus freeware for windows 7. The AntiVir Guard protects the computer in real-time. Avira AntiVir personal does not include an email scanner, but it will scan the contents of the email as soon as the email has been opened. It allows for scheduled scans and automatic updates.

AVG free antivirus

The AVG Free Antivirus is very simple to install and use. It's user interface is prett simple and it takes a minute to install on computer. AVG has been around in the Antivirus market from several years and gained lot of loyal users. AVG has antivirus and anti spyware protection against virus, spyware, adware and trojans. It has "LinkScanner", which scans the links "Active Surf-Shield" which will protect you from a website that is infected with virus. The scan speed for both the scheduled and on demand scans can be customized.

AVG Antivirus

Avast Free Antivirus

Avast is really a great way of protecting your computer from viruses. It really gives maximum protection to your computer. The best part is that it will automatically update when there is a new update available. Antivirus engine is complemented by anti-spyware, firewall and antispam modules to protect you against phishing schemes, identity theft and internet-distributed web viruses. In addition to standard scanning modes, Avast Home Edition also provides scans on bootup. This can greatly increase the chance of removing stubborn infections.

Avast

Microsoft Security Essentials

The main advantage of this antivirus software is, its completely free and its interface is very easy and user friendly. Microsoft Security Essentials can guard your system from various viruses, malicious softwares and spywares. It provides real-time protection and always kept up to date so you can be assured your PC is protected by the latest technology. It is not only free for home use, it's free for small businesses with up to 10 computers to protect.

The biggest benefit of it is that it has a very small memory footprint, so it won't slow down the computer, even when the program scans in real-time. Real-time scanning is optional in Microsoft Security Essentials. It will assign threats to one of four of danger and users can set a separate default action for each level.

Panda Cloud Antivirus

This free antivirus is really worth to give it a try. Panda Cloud Antivirus is very useful for scanning and finding viruses in computer. Its unique interface is really easy to work and more consistent than any other. You can deactivate many unwanted process operations running behind your computer and make a quick background scan. It is the first free cloud antivirus against viruses, spyware, rootkits and adware. Panda Antivirus Beta3 supports Windows 7 (32 and 64bit).It is the only free cloud-based scanner which takes all the processing off your PC, giving you a lighter, faster, and more proactive antivirus protection.

Panda Cloud Antivirus

UPDATE:

ThreatFire Antivirus

Threatfire is a small and simple Antivirus software which is offered free, you can install it in your system. The best thing with ThreatFire is, there is no conflict with existing antivirus software, so you don't need to worry about un-installing other Anti-virus applications.

Once you downloaded the application, Open it to install in your system. When it opens, click on the button Next to proceed. Accept the License Agreement and choose destination folder for the installation. You can select the default folder. In the installation procedure, you can de-select "Install Google Toolbar" option, if it is not necessary for you.

After installation, Threatfire will be running in the background to detect potential threats which damages your system. An interesting feature in the Threatfire is that, it will display the World Wide Detection Map, which indicates the most recently identified threats detected in the community. You get an alert screen when a threat is found.

Different types of attacks are show in different color codes. The color-coded alerts indicated various degrees of threats. Yellow alert is used to identify potentially malicious software threats, while a red alert indicates that a malware application has been disabled and quarantined. You can try this by visiting the Threatfire Website .

Apart these, many other Antivirus software can be found in the internet. If you want to know best Anti-Spyware software for Windows operating system, you can go through my article Best free AntiSypware software

Best free Antivirus software for Windows 7 operating system