Type in the correct locations of the programs shown.  This will help with Hasse diagrams and reading outputs, but is not essential for running OTSoft.

You can download dot.exe free from http://www.graphviz.org/

Location of your word processor: 
C:\Program Files\Microsoft Office\Office15\winword.exe

Location of Excel or other spreadsheet program:
C:\Program Files\Microsoft Office\Office15\excel.exe

Location of Paint or other graphics editing program:
C:\Windows\System32\mspaint.exe

Location of dot.exe, part of ATT GraphViz software:
C:\Program Files (x86)\Graphviz2.38\bin\dot.exe
