I've been working on running OSX on a windows machine using VMWare; works really well! Simple procedure if you follow these steps:
https://www.pcsteps.com/2157-mac-os-x-virtual-machine-vmware-player/
Wouldn't recommend this setup for OSX applications that really need high performance graphics (using Quartz for example) but for using Opusmodus on a Windows machine this could be a nice option for those not able/wanting to invest in Apple hardware.
If you install rtpMID