Download Setup Programs

GemCad for Windows
Free trial for 30 days, requires registration key purchase after 30 days.

GemRay for Windows
Requires registration key purchase and GemCad for Windows.

To install on a computer not connected to the internet, right click on a link above, choose Save as and copy the file to portable media (CD-ROM or USB thumb drive).

Download User's Guides

Printer-friendly GemCad for Windows User's Guide
Requires PDF viewer such as Adobe Reader™.

Printer-friendly GemRay for Windows User's Guide
Requires PDF viewer such as Adobe Reader™.