* Antivirus (or “anti-virus”) software is a class of program that searches your hard drive and floppy disks for any known or potential viruses. The market for this kind of program has expanded because of Internet growth and the increasing use of the Internet by businesses concerned about protecting their computer assets.

Important Read First: BACKUP YOUR DATA , I would hate for you to lose all your data if something went wrong.

Check here for any Antivirus Reviews. Click Here to check out the reviews.

Products:

* Microsoft Security Essentials Click Here to Download. Seems to be light of system resources and I hope because it is from Microsoft it is 100% compatible with their Operating Systems.

Microsoft Security Essentials provides real-time protection for viruses, spyware, and other malicious software.

Supported platforms: Windows XP (Service Pack 2 or 3) / Vista (Service Pack Gold, 1 or 2) / Windows 7

You could also download Microsoft Safety Scanner Here

* AVG Anti-Virus Free Edition software
Click Here to Download.

Integrated protection, Virus and spyware protection, Safe web surfing, downloading and instant messaging (not available with AVG Free), Hacker attacks prevention (not available with AVG Free), Phishing and E-Mail scam blocking (not available with AVG Free), Free AVG 24×7 technical support (not available with AVG Free)

Supported platforms: Windows® 2000 Professional SP4 + SRP1 (Service Pack 4 download, Update Rollup 1 download), Windows® 2000 Server SP4 + SRP1 (Service Pack 4 download, Update Rollup 1 download), Windows® XP Professional SP2 or higher (Service Pack download), Windows® XP Home SP2 or higher (Service Pack download), Windows® XP Professional x64 Edition SP1 or higher (Service Pack download), Windows® 2003 Server SP1 or higher (Service Pack download), Windows® Vista x32/x64 – all editions, Windows® 2008 Server x32/x64 edition, Windows® 7 x32/x64 – all editions.

Think you might of received or downloaded a application that has a virus. Check out this website. You upload the file to this online service and then you will know if there is a virus or not.

* Virus Total
Click Here to see what Virus might be in the file.

* Online Virus Scanners
Click Here to use Bitdefender Online Virus Scanner.