Listed below is a link to over 100 free AntiVirus downloads. Included are McAfee Avert Stinger 10.0, AVG 8.5,and Avira 9.0. These programs have a wide range of applications. There are programs that perform everything from detecting & eliminating viruses, checking Windows for vulnerability, scanning computers for malicious software:Trojan Horses, Dialer, Worms, Spyware. It also has recent updates for the software so you can be up to date on your system.