Doesn't work as a plug-in. I asked Topaz, and they told me that it is only a stand-alone.
Thats funny - it works as a Photoshop plugin on my Windows 10 desktop. Maybe it's just a difference in naming. It's available under File/Automate.
If you want to reply, then register here
. Registration is free and your account is created instantly, so you can post right away.