That seems to be a transformation, but of a lesser degree.

A cisformer should be a car that distinctly retains its form as a car. It would be very difficult to change the form of such a car, meaning it would not have much scrap value.

Do you know the Secretary Problem?

https://en.wikipedia.org/wiki/Secretary_problem

Your father’s been using computers for some number of years. It’s possible he’s been using computers for longer than he will continue using computers. From his perspective, the current edition of Windows is better than anything that’s come before it, so it’s the rational choice to stick with it until the end.

To get around this, you would basically need to set up a second machine with Zorin so that he can get some context before making a decision. That way, in the very realistic scenario where he decides it’s not for him, he hasn’t lost anything.