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Software: GMS - Groundwater Modeling System
GMS Downloads

GMS version 6.5 and earlier initially runs in a DEMO mode, which means file saving and printing are disabled. GMS version 7.x and newer do not include a DEMO mode. Corps of Engineers employees may obtain a password to use the full version. Please see GMS Product Registration for information about registering GMS.

Tutorial files for GMS v7.0 and earlier are found in the "tutfiles" folder where GMS was installed (usually C:\Program Files\GMS 7.0\tutfiles). For GMS v7.1 and newer, the default location for the tutorials is the user's documents folder (usually C:\Documents and Settings\username\My Documents\GMS 7.1\Tutorials). If you do not have administrative rights on your computer and require IT personnel to install GMS v7.1 or newer version, the tutorials may not be installed to the user's documents folder due to user account permissions. If this occurs, download the GMS v7.1 or newer version tutorial files separately and extract the files to the desired location.

Please note that we can only provide registration or assistance to Army/EPA/NRC users. Other interested parties should contact Aquaveo, LLC.

Army/EPA/NRC users may direct questions about GMS to gms@usace.army.mil.

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GMS Registration GMS Software Licence Request Form - (Updated: 03/08/2010)
GMS 8.x Downloads GMS 8.3.x Windows - Tutorials (Zip) - (09/19/2012) - Zipped version of tutorials (if you do not have administrative rights).
GMS 8.3.4 Windows (64-bit) - Program Installation - (09/19/2012) - (ACE-IT Approved) Program installation and program update package. Includes models and documentation.
GMS 8.3.4 Windows (32-bit) - Program Installation - (09/19/2012) - (ACE-IT Approved) Program installation and program update package. Includes models and documentation.
GMS 8.2.x Windows - Tutorials Installation - (08/01/2012) - Tutorial installation package.
GMS 8.2.x Windows - Tutorials (Zip) - (08/01/2012) - Zipped version of tutorials (if you do not have administrative rights).
GMS 8.2.6 Windows (64-bit) - Program Installation - (08/01/2012) - (ACE-IT Approval Pending) Program installation and program update package. Includes models and documentation.
GMS 8.2.6 Windows (32-bit) - Program Installation - (08/01/2012) - (ACE-IT Approval Pending) Program installation and program update package. Includes models and documentation.
GMS 8.2.2 Windows (64-bit) - Program Installation - (08/01/2012) - (ACE-IT Approved) Program installation and program update package. Includes models and documentation.
GMS 8.2.2 Windows (32-bit) - Program Installation - (08/01/2012) - (ACE-IT Approved) Program installation and program update package. Includes models and documentation.
GMS 8.0.x Windows - Documents - (09/14/2011) - For GMS v8.0, the default location for the tutorials and default user files is the user's documents folder (usually C:\Documents and Settings\username\My Documents\GMS 8.0\). If you do not have administrative rights on your computer and require IT personnel to install GMS v8.0, these files may not be installed to the user's documents folder due to user account permissions. If this occurs, download the GMS v8.0 documents separately and extract the files to the desired location.
GMS 8.0.9 Windows - Full Installation - (09/14/2011) - (ACE-IT Approved) Full installation and program update package. Includes models, documentation, and tutorials.
GMS 7.x Downloads GMS 7.1.x Windows - Tutorials - (07/16/2010)
GMS 7.1.10 Windows - Full Installation - (03/01/2011) - Full installation and program update package. Includes models, documentation, and tutorials.
GMS 7.0.4 Windows - Program Update Only - (02/22/2010)
GMS 7.0.4 Windows - Full Installation - (02/22/2010) - Full installation package, including models, documentation, and tutorials.
GMS 6.x Downloads GMS 6.5.6 Windows - Program Update Only - (Updated: 05/29/2009)
GMS 6.5.6 Windows - Full Installation - (Updated: 05/29/2009)
GMS 6.5 Windows - Model Files - (Updated: 10/17/2008)
GMS 6.5 Windows - Documentation - (Updated: 10/17/2008)
GMS 6.5 Windows - Tutorial - (Updated: 10/17/2008)
GMS 6.0 Windows 95/98/NT/ME/2000/XP - Program Update Only - (Updated: 11/12/2007)
GMS 6.0 Windows 95/98/NT/ME/2000/XP - Full Installation - (Updated: 11/12/2007)
GMS 6.x Windows 95/98/NT/ME/2000/XP - Documentation - (Updated: 11/16/2006)
GMS 6.x Windows 95/98/NT/ME/2000/XP - Tutorial Files - (Updated: 11/16/2006)
GMS 6.x Windows 95/98/NT/ME/2000/XP - Module Files - (Updated: 01/24/2007)

Coastal and Hydraulics Laboratory - Engineer Research and Development Center
Waterways Experiment Station - Vicksburg, Mississippi
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