Download installer (stable version)

The installers on this page are stable versions, with even numbers after the dot. These versions have been tested thoroughly. The installers are very easy to use with these three steps: (1) close any open Gekko’s, (2) uninstall Gekko, and (3) download and install InstallerForGekko.msi . In step (3), you may have to skip a Windows warning, read more under troubleshooting (Mac/Linux users, see here).

The latest stable version is Gekko 2.2.


  • Stable version 2.2 (patch #4) — 3/4 2017 New
  • All the versions in the 2.2 series are considered stable, i.e. the patches do not alter critical code (the full version number is 2.2.4).
  • Installer file (please close Gekko before installation!) [signature]
  • Setup file (only relevant if you have problems with the installer file) [signature]
  • Zip-file (for manual installation — experts only!) [signature]
  • Change-log (detailed list of changes)
  • Stable version, with updated help files. Regarding what is new in Gekko 2.2, please consult the online help file (particularly here).
  • 2.2.4: Some PLOT improvements. [signature]
  • 2.2.3: Some minor fixes. [signature]
  • 2.2.2: Some minor fixes. [signature]
  • 2.2.1: First version.

 


  • Stable version 2.0 (patch #3) — 2/3 2016
  • All the versions in the 2.0 series are considered stable, i.e. the patches do not alter critical code (the full version number is 2.0.3).
  • Installer file (please close Gekko before installation!)
  • Setup file (only relevant if you have problems with the installer file)
  • Zip-file (for manual installation — experts only!)
  • Change-log (detailed list of changes)
  • Stable version, with updated help files. Regarding what is new in Gekko 2.0, please consult the online help file (particularly here).
  • 2.0.3: Some smaller bugfixes + update of help-file index/keywords.
  • 2.0.2: Some bugfixes related to PRT/MULPRT.
  • 2.0.1: First version.

 

  • Stable version 1.8 — 22/10 2013
  • All the versions in the 1.8 series are considered stable, i.e. the patches do not alter critical code (the full version number is 1.8.1).
  • Installer file (please close Gekko before installation!)
  • Setup file (only relevant if you have problems with the installer file)
  • Zip-file (for manual installation — experts only!)
  • Change-log (detailed list of changes)
  • Stable version, with updated help files.

 

  • Stable version 1.6 (patch #8) — 2/5 2013
  • All the versions in the 1.6 series are considered stable, i.e. the patches do not alter critical code (the full version number is 1.6.8).
  • Known BUGS in version 1.6.7 (fixed in 1.6.8)
  • Installer file (please close Gekko before installation!)
  • Setup file (only relevant if you have problems with the installer file)
  • Zip-file (for manual installation — experts only!)
  • Change-log (detailed list of changes)
  • Stable version, with updated help files.
  • 1.6.1: First version.
  • 1.6.2: Minor bugfixes.
  • 1.6.3: Minor fixes related to menus.
  • 1.6.4: Minor fixes related to menus.
  • 1.6.5: Minor fixes (table folders).
  • 1.6.6: Minor bugfixes.
  • 1.6.7: Bugfix related to failsafe mode.
  • 1.6.8: Bugfixes, primarily RETURN command.

 

  • Stable version 1.4 (patch #9) — 5/2 2012
  • All the versions in the 1.4 series are considered stable, i.e. the patches do not alter critical code (the full version number is 1.4.9).
  • Installer file (please close Gekko before installation!)
  • Setup file (only relevant if you have problems with the installer file)
  • Zip-file (for manual installation — experts only!)
  • Stable version, with updated help files.
  • Patches:
  • 1.4.1: Fixes an issue when combining Newton and Gauss in fail-safe mode.
  • 1.4.2: Makes PPLOT and UDVALG windows truly independent/floating.
  • 1.4.3: Fixes error message line numbers + some minor problems.
  • 1.4.4: Adds error dialog, and commands PAUSE, STOP and EXIT.
  • 1.4.5: Has “CLEAR *”, CLOSEBANKS, and some minor fixes.
  • 1.4.6: Minor sound option changes.
  • 1.4.7: Gauss convergence, ITERSHOW and CHECKOFF commands.
  • 1.4.8: Added option “reorder” for the Gauss solver.
  • 1.4.9: Checks for problems using ‘()’ together with ‘;’ in same line.

 

  • Stable version 1.2 — 14/6 2011
  • Installer file (please close Gekko before installation!)
  • Setup file (only relevant if you have problems with the installer file)
  • Mostly minor changes on top of version 1.0.53. The help files have been updated. This is a stable version, for use on the ADAM workshop Thursday/Friday 16/6 and 17/6 2011 (the full version number is 1.2.0). In the future, versions with an even digit after the first “.” will indicate stable versions.