avast! antivirus software provides complete virus protection for your computer. Antivirus engine is complemented by anti-spyware, firewall and antispam modules to protect you against phishing schemes, identity theft and internet-distributed web viruses. Automatic updates for greater user convenience and safety. Top user ratings among free antivirus software. The new avast! Free Antivirus 5.0 includes a spyware detection engine. To protect you from identity theft as well as viruses.

avast! Pro Antivirus - better protection during web surfing. Full-featured antivirus software. Better than our free antivirus, especially for web surfing, but without the firewall and antispam included in avast! Internet Security. Also if you wish to customize your security, this is the recommended software.

Continuous protection against viruses and spyware
Ensures all mails sent and received are clean
Keeps you protected from chat infections
Stops attacks from hijacked websites
Lets you safely browse suspicious websites or run unknown applications
Allows safe and uninterrupted gaming
Compatible with Windows XP, Vista and 7
New user interface

Key technologies:
Improved Antivirus and anti-spyware engine
New avast! Intelligent Scanner
New Silent/Gaming Mode
New Behavior Shield
New avast! Sandbox
Smart virus updates
Real time anti-rootkit protection
avast! Community IQ
Behavioral Honeypots
Green computing
avast! iTrack
File System / Mail Shield
Web Shield
IM / P2P Shield
Network Shield
Script Shield

OS: Microsoft Windows 2000, Microsoft Windows XP/Vista/7 (32/64 bit).