To upgrade from version v1.00 to v1.50 you must do the following:

 Step 1:  Rename the file TTHOUGHT.DAT to TT.DAT.
                
 Step 2:  Run SETUP.EXE to create your new config file.

 Step 3:  Edit the batch file you use to call Trek Thoughts.  You
          no longer need to use a command line.