The only difference between the basic LaFemme now supplied with Poser and LaFemme pro is that the former is "family friendly". I have tried some of the characters I have purchased with LaFemme basic and everything seems to work, provided you have the morphs needed eg Bodykit mr which you can purchase here at Rendo.

As you have already purchased LaFemme (even if it was free it counts as a purchase) you should find that if you go to the LaFemme pro product page it will show it as purchased, and you can download the latest version free from your account. I think LaFemme pro is just a rebranding to distinguish it from the included version.