avast! 4 Professional Edition is a complete ICSA certified antivirus package for your company. It obtained twice VB100% award in 2002 Virus Bulletin comparative reviews.

avast! scans for viruses, worms and Trojans: On Demand - with two User Interfaces, On Access, E-mail, during Boot Time, in File Explorer and Screen Saver. It maintains Virus Chest. True incremental updates based on iAVS technology updates twice a week virus definition file.

avast! Home Edition is a complete anti-virus package for Windows 9x/Me, NT/2000/XP. It is FREE for registered home noncommercial users. It's certified by ICSA and obtained 100% mark from Virus Bulletin in June 2002 under Windows XP Pro.

avast! contains two GUIs (simple and advanced) on demand and on access scanner. It simply integrates with user screen saver, file explorer and mail client. Updates are simple as clicking one button - updates are smaller than 100 KB.