What are Computer Viruses?
Ans. Computer Viruses are Programs which are develop to exploit victims Computer. Viruses are of many types but 2 most common Viruses are Trojan Horse and Worm.
Trojan Horse:These appear to be a program file but actually do damage behind the scenes.
Worm: These malicious programs can get copied from one computer to other in computer networks and may run in parts on different computers.
Why we need Anti-virus?
Ans. Anti-virus are Software Programs which defend the Computers from Viruses. It also include Firewall and other good features to keep the system perfect and fast.
Now come to the point.
The Top 5 Free Antivirus are:
1. Microsoft Security Essential : The Microsoft Security Essential is very good Anti-virus for Windows users. It is provided free for Genuine Windows customers by Microsoft. It also provide Firewall for free.
In the words of Microsoft : 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.Download here
2. avast! Free Anti-virus: The avast! Free Antivirus is also the best Antivirus program out there but in the free version of avast! Antivirus there some features not available like Firewall, Anti-spam, SafeZone and SandBox.
Download here
3. AVG Free: The AVG free Antivirus includes many best features. Its lite so whether you have high-tech computer or low-tech, it will not slow down your PC and keep your PC secure.
Download here
4. ESET NOD32 Free Antivirus: ESET NOD32 Antivirus is good but it slightly slow down your PC if you have low-specs PC. But It is good if you have at least 2GB of RAM in your PC.
In the Words of ESET: ESET delivers award-winning protection with built-in antispam, firewall and antitheft features to keep your data safe wherever you are.Download here
5. Avira Free Antivirus: Avira Free Antivirus provides the best security, but only one problem in it is "Free version doesn't provide web security", which too needful in today's time.
In the Words of Avira Antivirus: Our entry-level antivirus eliminates many forms of malware, including worms, rootkits and costly dialers.
More from author:
Just getting an High secure Antivirus is not a good idea. You have to make sure which one suits your PC more.
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