Installation Instructions

For Microsoft Windows that do not have Perl or the Tk library installed follow these instructions:

Once ActivePerl is installed use the included package manager to install the Perl Tk library.

  • Open the Perl Package Manager from ActivePerl's folder in your Start Menu
  • Type "tk" in the text area at the top to search for the tk library
  • Right click the Tk package in the package list and click the Install Tk option (The only option when right clicking)
  • Click the small green arrow at the top right of the window (or hit ctrl+enter)

Download the latest GRaTS package from

  • Unpack the download to a location of your choosing
  • Run the included batch (.bat) file to start the program

For instructions on how to use GRaTS please go to Using GRaTS

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