Avast 5 debuts today with several new feature, This edition is FREE OF CHARGE for non-commercial & home use only. The basic free version, formerly known as the Home Edition, includes an attractive and obviously affordable set of features. The antivirus, antispyware, and heuristics engines form a security core that also includes multiple real-time shields. Mail and file system shields join the pre-existing behavior, network, instant messaging, peer-to-peer, and Web shields. Other new features include a silent-gaming mode and an “intelligent scanner” that only looks at changed files after establishing a baseline.
You can download the new Free Avast 5 Antivirus here
thanks it is very good anti virus