"You can get a free trial of Norton's anti-virus system, but note that it only lasts a month (or a couple of months at the most) or so. You should consider buying one with a warren-tee."
McAfee Security Scan is a free virus scan service. McAfee Security Scan provides free virus protection and protects you with the latest antivirus software.
Free virus protection can be found on many online providers. An example of such is AVG Free. It is highly recommended for all computer users to use a anti-virus program.
Spyware Anti-Virus
The Anti-Virus Guard, AVG, is one option for a free virus protection software. One can also try Avast. McAfee also provides a free download for virus scanner to protect your computer.
There is a huge market for free virus scan and protection software, though many of such do not offer as great protection as Norton Anti-Virus, they are still worthy for general use. The more famous brands that are both free and include great protection are MalwareBytes and McAffee.
There are many free antivirus softwares and online checking sites avalible. I have had the best sucess with AVG while using some malware detecting software as well.
There are several good free virus protection programs available for download. My personal suggestion would be to try AVG's free virus protection. There are several downloadable anti-virus programs for free. Try http://www.avg.com/us-en/homepage or http://www.freedownloadscenter.com/Utilities/Anti-Virus_Utilities/Norton_Antivirus.html.
There are many free anti virus out there but these 3 seem to get the best reviews. They are Norton Antivirus, AVG and Mcafee. After you have tried out any of them you can buy it at a reduced rate.
AVG Free 8.5
Windows and download.com both provide effective virus protection for free.
There are several companies which offer free virus protection. It is necessary, however, to download their software to your computer to receive this coverage.
The most effective virus protection is this one ttps://yaz ing. com/deals/vipreantivirus/tvnrapp, There are free downloads for this program. Symantec AntiVirus is a close second.
The best I have found is the Panda free online scan. It is very slow, but good.