Total Defense Anti-Virus 3 PCs - Download Type: Antivirus Operating Systems Supported: Windows System Requirements: Windows 8 (Windows 8/Windows 8 Pro) - 32 & 64-bit - 1 GB RAM (2 GB for 64-bit) - 1 GHz or faster processor - Internet Explorer 8 or above Windows 7 (Ultimate/Business/Home Premium/Starter) - 32 & 64-bit - 1 GB RAM - 1 GHz or faster processor - Internet Explorer 8 or above Windows Home Server - 512 MB RAM - 1 GHz or faster processor - Internet Explorer 7 or higher Windows Vista (Ultimate/Business/Home Premium/Starter) - 32 & 64-bit - 512 MB RAM - 800 MHz or faster processor - Internet Explorer 7 or above Windows XP (Home/Professional/Media Center Edition) - Service Pack 3 or above - 32-bit only - 256 MB RAM - 300 MHz or faster processor - Internet Explorer 7 or above Required for all installations: - 300 MB of available hard disk space - 1024...
