I am certainly glad I asked and took your advice.
Topping D10s: windows 10 found/setup/selected itself, noting to do except listen!
Sound is OBVIOUSLY improved, exactly what I asked for, and the VOLUME output is considerably higher than the motherboard's headphone jack, very helpful to my 10 wpc Luxman tube amp.
I balanced these AR-2ax speakers by ear (tweeter and midrange volume controls). Now I will get my SPL mic, tripod, and test tone cd and calibrate accurately like I do in my main system.
all these were obviously better: