Avast! Professional Edition version 4.8

avast! antivirus software represents complete virus protection, offering full desktop security including a resident shield with anti-spyware technology. It can be downloaded and used free of charge for a 60-day trial period. At the end of the trial period, a license key must be purchased, which will be valid for a further 1, 2, or 3 years. Daily automatic updates ensure continous data protection against all types of malware and spyware.

Avast! Professional Edition

Avast! Professional Edition Download

Avast Pro Antivirus 5 has replaced the Professional Edition for Home users . Learn more about it here:

Awards/Certifications/Reviews

Avast 5.0 Virus Bulletin

Windows 7 Compatible logo

AV Comparatives Advanced+

CNET Security Starter Kit 2010