DJM S7 USB ROUTING QUESTION

Got my S7 and i am a bit confused with routing the sound via usb and the utility app.

By default, when it's plugged on my PC (on my macbook happens the same thing btw), it automatically sends the sound to CH1 only, whatever i try on S7 utility doesn't send it to CH2. 

Also, is it possible to send my Desktop output on Sample, AUX or Master on my s7? 

Spent 2 days looking for it. Tried suggested solution using Voicemeeter app with no success. 

On my previous mixer ( NI Z2 ) was pretty straight forward. Just selecting the desired output through the drop down menu on my sound settings and voila!