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Download GAMS Release 33.1.0 (November 01, 2020)
Please consult the release notes before downloading a system. Here are the detailed platform descriptions and installation notes. The GAMS distribution includes the documentation in electronic form.
Platform
Microsoft Desktop and Server Operating Systems (x86_64 architecture)
GNU/Linux System (x86_64 architecture)
Macintosh System (x86_64 architecture)
By downloading our software you agree to our license agreement.
Notes
Model size limits with a demo license
For linear models (LP, RMIP, and MIP) GAMS will generate and solve models with up to 2000 constraints and 2000 variables
For all other model type GAMS will generate and solve models with up to 1000 constraints and 1000 variables
Some solvers may enforce tigther limits. Please check the licensing chapter for details
The GAMS log will indicate that your system runs in demo mode
GAMS will terminate with a licensing error if you hit one of the limits above:
MD5-Hash values.
Use a program like md5sum to verify. This should come preinstalled on most Linux systems.
On Windows systems, open a powershell and enter Get-FileHash .windows_x64_64.exe -Algorithm MD5
On Mac OS systems, you can use md5 in the terminal.
For Mac OS X, also a simple self-extracting archive is available, which you can download here.
Note, that this archive does not contain GAMS Studio.
The SmartScreen Filter on Microsoft Windows might give a warning during the installation. For more information please check our Support Wiki.
To deliver GAMS with the best performance we are using the Amazon CloudFront web service, a global network of edge locations for content delivery.
Older GAMS Distributions
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