Upgrade to The Geochemist’s Workbench® Release 12

I downloaded the software and am very excitedly developing my first GWB model!

– Robert Hansen, Exigo3, South Africa

GWB12 logoThe Geochemist's Workbench® Release 12 isn't just a huge step forward in the package's modeling capabilities, it's an all-around upgrade to your user experience!

You don't want to miss out on the must-have new features in GWB12.

Release history


New in GWB12

GWB12, our most anticipated release!


New in GWB11:


GWB Dashboard

New in GWB10:

  • Transport by mobile colloids
  • Dashboard puts all your tools in one place
  • Graphical editor for thermo and surface data
  • Undo-redo in GSS spreadsheets
  • Spherical and axisymmetric coordinates
  • Transient medium and fluid properties
  • Turbo-scripting speeds rate law evaluation
  • MATLAB bindings
  • Optimized native 64 bit version
  • Windows 8 friendly


New in GWB9

New in GWB9:

  • Crisp new GUI – Fast, logical, and intuitive
  • Drag and drop files, analyses, and results
  • Plugs in to your software
  • New kinetics: complexation, sorption, gas transfer
  • Bidentate and polydentate sorption reactions
  • Show TDS as circles of varying radius in Piper, other plots
  • Set line colors individually on x-y plots
  • Powerful unit converter
  • More medium properties are heterogeneous
  • Automatic software updates


X2t benchmark

New in GWB8:


New in GWB7:

  • More reactions kinetics, including catalysis, inhibition
  • Expanded surface chemistry; Freundlich isotherms
  • Edit graphics with mouse; hovering shows x-y values
  • Smart cut-and-paste
  • Support for Vista


New in GWB6:

  • Adaptive gridding
  • Flexible boundary conditions
  • Import flow fields, Modflow models
  • More options for medium heterogeneity

Windows versions supported

Windows logo We currently support GWB releases 12, 11, and 10 under the Windows versions shown below.

Windows 7  Windows 8.1 & 8 Windows 10

GWB12 is the preferred release for use under Windows 10.
GWB10 or later is needed for Windows 8.1 or 8.
GWB10 is acceptable under Windows 10.

GWB9 and earlier are not compatible with Win10. GWB8 installs under only Windows 7. GWB7 and earlier are not compatible with modern Windows.