BitDefender Total Security 2008 provides the ultimate proactive protection for up to 3 PCs AND 2 years. It combines state of the art protection against all Internet security threats. Moreover its system maintenance and PC backup tools keep your PC running fast and protected from data loss.System Requirements: 800 MHz or higher processor 512 MB of RAM Memory (1 GB recommended) 60 MB available hard disk space Windows 2000 with Service Pack 4 or Windows XP with Service Pack 2 (32/64 bit) or Windows Vista (32/64 bit) Supported e-mail software Microsoft Outlook 2000 2003 2007 Microsoft Outlook Express Microsoft Windows Mail Mozilla Thunderbird 1.5 and 2.0 Genre: UTILITIES UPC: 891480001454 Manufacturer No: LB11052003ENM1