home use only.
- 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

Here are some key features of "Avast!":
· Antivirus kernel
· Automatic updates
· Simple User Interface
· PUSH updates
· Enhanced User Interface
· Virus Chest
· Resident protection
· System integration
· Script blocker
· Command-line scanner
· P2P and IM Shields
· Integrated Virus Cleaner
· Network Shield
· Support for 64-bit Windows
· Web Shield
· Internationalization