Avira Free Antivirus is a popular free antivirus program which analyzes the files downloaded from the network successfully and it also scans e-mail.
Avast Free is one of the most popular free antivirus programs. The application is characterized by a very high speed of operation and surprising efficiency.
AVG Free AntiVirus is one of the most popular free solutions in its category. AVG effectively protects your computer against malicious software.