Asset for QNAP NAS where to get package

[marchman]

Dumb newbie question but couldn't find any info on this. Where can I download the Asset package to install on a QNAP NAS? I have purchased ASSET for Mac but want to try it on my NAS to see how that runs as compared to running on the Mac.
Thanks

[Spoon]

It is listed here:

https://www.dbpoweramp.com/asset-upnp-dlna.htm

for download.