System Requirements Memory: At least 32mb, but the more the better. Disk Space: At least 10mb free. Firewall: Port 10503 needs to be opened for bi-directional tcp/ip communication. Operating System: Windows 95,Windows 98, NT, 2000 or XP. Version 9.6.0 requires Internet Explorer 5.0 or higher. This does not apply to Version 9.2.42.