On one hand, Photodex is defunct. The original designers of many legacy style packs (e.g., those by or Focal Photography ) are no longer selling them. There is no company to pay, and no customer support to expect. In this sense, downloading abandoned packs is archival.
Using ProShow Producer Style Packs is straightforward: proshow producer style packs full 2023
Torrent sites, random Blogspot blogs with "Free Download – 10GB Mega Pack." On one hand, Photodex is defunct