User\Skeleton tracking not working

Hello. Im developing for Orbbec Persee on Unity 2018.2.5f1 on a Mac. I tried following the "First Unity project" and builded the project to test User detection and it simply doesnt work.

I only imported the Unitypackage from the official Nuitrack download page, but didnt installed the SDK because it doesnt have a version for Mac.

I installed once the Nuitrack license activation apk on Orbeec and validated my licensing correctly but nothing works.

Should I develop, even for Unity, on a Windows pc? Is it required to install the Nuitrack or Orbbec SDKs to develop on Unity before building?