Download Center

Beta software, current installations, version updates, documentation, and tutorials are available for download on this page in addition to full installations of previous software versions.

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Beta Software Downloads

WMS 8.4 Full Installation - 7/7/10 714 MB

AHGW Downloads

AHGW installations include the Groundwater, MODFLOW, and Subsurface Analysts.

Arc Hydro Groundwater 2.3 Full Installation - 7/21/10 180 MB
Important: AHGW 2.3 requires ArcGIS 9.3 or higher.

Arc Hydro Groundwater 2.2 Full Installation - 5/3/10 180 MB
Important: AHGW 2.2 requires ArcGIS 9.3 or higher.

GMS Downloads

GMS 7.1 Full Installation - 8/10/10 232 MB

   GMS 7.0 Program Update - 2/22/10 43 MB
   GMS 7.0 Full Installation - 2/22/10 199 MB

SMS Downloads

SMS 10.1 Full Installation (32-bit) - 7/28/10 304 MB
SMS 10.1 Program Update (32-bit)* - 7/28/10 24 MB
SMS 10.1 Full Installation (64-bit; works with 64-bit OS only) - 7/28/10 339 MB
SMS 10.1 Program Update (64-bit)* - 7/28/10 28 MB

   SMS 10.0 Full Installation - 2/10/09 216 MB
   SMS 10.0 Program Update - 2/10/09 37 MB

   Additional CGWAVE tutorial files - 15 MB
   Additional PTM tutorial files - 229 MB
   Additional TUFLOW tutorial files - 146 MB
   LeProvost Tidal Database files - 9 MB
   Atlantic and Pacific Tidal Database Extraction Utilities - < 1 MB
   Atlantic Tidal Database and Grid Files - 76 MB
   Pacific Tidal Database and Grid files - 89 MB

*SMS 10.1 patch is compatible with SMS 10.1.1 and later. If patching SMS 10.1.0, please patch using the full installation.

WMS Downloads

WMS 8.3 Full Installation - 6/3/10 572 MB
WMS 8.3 Program Update - 6/3/10 24.3 MB

   WMS 8.2 Full Installation - 9/21/09 600 MB
   WMS 8.2 Program Update - 9/21/09 64 MB

   FHWA HY-8 7.2 Culvert Analysis Software - 32 MB
   FHWA HY-8 7.2 Quick Start and Tutorial Document - 1 MB
   FHWA HY-8 7.1 Quick Start and Tutorial Document - 1 MB
   GSSHA Tutorial Files - 8/12/05 55 MB
   HEC-RAS 3.1.2 - 45 MB
   HSPF 2.2 - 11/29/2004 24 MB
   Maricopa County, AZ - Flood Control Data - 61 MB
   NFF 3.2 - 11/29/2004 8 MB

Hardware Locks

Hardware Locks Drivers for SINGLE USER LOCKS - 3 MB
Hardware Lock Drivers and Utilities for NETWORK SERVERS - 6 MB

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Visit the Wiki or Forum

Visit the XMS Wiki to learn more or interact with the user community and find answers to questions on our forums.

Contact Support

We provide phone and email technical support to all current license holders.

Get Training

Get hands-on training from modeling experts - attend a scheduled course or have us
come to you.

Consult with Experts

Take advantage of a consulting team with a proven track record and years of experience in water modeling.