By default the Hermes will be delivered as a Roon endpoint. The Roon software is written on a so called SD card which can be find at the backside of the unit. By removing this SD card ( Please store the Roon SD card on a safe place! ) you can replace it by an SD card prepared for Volumio or Audirvana.
In our package you will find all neccesary tools to create your own SD card and to convert the Hermes into a Volumio music server or Audirvana endpoint. The image as found in this download is optimized for the Hermes. All what you have to do is mounting your local music collection (if available)
As our supplied image for the Hermes is free of charge there is no support. However any support for Volumio can be find here:
https://cdn.volumio.org/wp-content/uploads/2019/01/Quick-Start-Guide-Volumio.pdf
Or here: https://community.volumio.org/
Audirvane support can be found here: https://audirvana.com/support/
Download the package here