The Poser 1 figures are/were part of the separately downloadable legacy content.

They can be found in the Poser 2 Lo folder and for the most part still work in Poser 11.

Neither clothing nor hair was provided. Also the hands were not rigged, so different hand gestures were realized by geometry switching instead.

(You have to dial through a variety of differently sculpted hands)

Also expression morphs were still something Poser users had to wait for a couple of years until Poser 3 I think.

*

But the Poser 2 figures were already a massive improvement over them, as nudity was now "optional", even though they still couldn't talk and properly rigged hands were still not on the table:

Here is a review of Poser 1.0:

https://www.wap.org/journal/poser/poser.html

And this is how the packaging looked like:

http://poserhistory.blogspot.com/2014/07/1995-fractal-design-poser-1.html