You need the following software and hardware to install and run IGiS-CAD :

• Microsoft® Windows® 10, Windows 8, Windows 7, Windows Vista®
• Intel® Pentium® 4 or comparable, faster processor recommended
• 2 gigabytes (GB) of RAM minimum for Windows 10, Windows 8, and
  Windows 7, 1 gigabyte (GB) of RAM minimum for Windows Vista
• 2.5 gigabytes (GB) of free hard disk space recommended for typical installation
• 1024 x 768 VGA or higher resolution, video adapter, and monitor
• Graphics card compatible with OpenGL Version 1.4 or higher
• Keyboard and mouse, or other pointing device
• CD-ROM or DVD drive for installation, if installing from a CD or DVD
• Internet access, if downloading and installing from the Internet