Ah-never mind. I found an old copy of that and now can play it, though sucks you have to own RPGVXace in order to play I guess.
Viewing post in Caliross, The Shapeshifter's Legacy comments
You can download the RTP on its own, with VX Ace. You should have a message about this near the bottom of the page with a link to get just the RTP:
https://s3.amazonaws.com/degica-downloads/RPGVXAce_RTP.zip