Switch to dune4kids
Use the menupoint "Options -> Start next time ... ->
Start next time with dune4kids".
End the program with "File -> Exit"
When the program ist started again, it shows then the right dune4kids
When you can work with the commandline or batchfiles, you can start the
program instead with the commandlineparameter "-4kids" e.g.
dune -english -4kids