Updating the python scripts is original author. Some scripts are an easy update some are not. There is a Python that will link the runtimes from an older version of Poser to the current version.

Here's a link to it from my Dropbox:

https://www.dropbox.com/s/wx4ht0vs5e45vnt/N3D%20Link%20Previous%20Runtimes.zip?dl=0