Avast 9 Free (Build 9.0.2000.50) Beta 1 + Avast 8 Free (Build 8.0.1489.300)
avast! Free Antivirus is loaded with tons of features. From the home tab you can gain quick access to your system status, virus scan, software updater, stats, and the market. Features like the firewall and SafeZone require a premium subscription.