avast! 100 % 100 % free Anti-virus represents the best 100 % free anti-virus protection currently available available on the market. This edition is FREE OF CHARGE for non-commercial & home use. 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 Client Interface
Integrated Viruses Cleaner
Resident protection
Support for 64-bit Windows
P2P and IM Shields
Internationalization
Network Shield Download