Its features include:
- Anti-spyware built-in
 - Web Shield
 - Anti-rootkit built-in
 - Automatic updates
 - Strong self-protection
 - Virus Chest
 - Antivirus kernel
 - System integration
 - Simple User Interface
 - Integrated Virus Cleaner
 - Resident protection
 - Support for 64-bit Windows
 - P2P and IM Shields
 - Internationalization
 - Network Shield
 
Operating Systems Supported:
- Older Windows operating systems (Windows 95/98/ME/NT) are not supported.
- Windows 8 (any edition, 32-bit or 64-bit)
 - Windows 7 (any edition, 32-bit or 64-bit)
 - Windows Vista (any edition, 32-bit or 64-bit, excl. Starter Edition)
 - Windows XP Service Pack 2 or higher (any edition, 32-bit or 64-bit)
 - Microsoft Windows 2000 Professional Service Pack 4 (only avast! Free Antivirus and avast! Pro Antivirus)
 
- Pentium 3 Processor
 - 128 MB RAM
 - 650 MB of free hard disk space
 
- Older Windows operating systems (Windows 95/98/ME/NT) are not supported.
