Here's a regular, zipped ISO image of "A Final Unity"....
>Zipped (ISO image only) of "A Final Unity"<
And for those who have trouble figuring out how to get dosbox to work, here's a nice little, easy download and setup (including the ISO image) for you, too. Instructions in the README file.
>Star Trek: TNG "A Final Unity" (incl. ISO image) with customized DOSBox and easy README instructions for setup.<