Download GAMS Release 54.2.1

Released July 13, 2026

Please consult the release notes before downloading a system. We also have detailed platform descriptions and installation notes. The GAMS distribution includes the documentation in electronic form. A free demo license, valid for 5 months and with size restrictions, is included with every GAMS distribution.

⁽¹⁾The SmartScreen Filter on Microsoft Windows might give a warning during the installation. For more information please check our Documentation.

⁽²⁾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 macOS systems, you can use md5 in the terminal. Publishing MD5 hashes will be removed soon. Please use the SHA256 hashes instead.

⁽³⁾Use a program like sha256sum to verify. This should come preinstalled on most Linux and macOS systems. On Windows systems, open a powershell and enter Get-FileHash .\windows_x64_64.exe -Algorithm SHA256.

To deliver GAMS with the best performance we are using the Amazon CloudFront web service, a global network of edge locations for content delivery.