Bob,
As far as I know REW can measure the loudspeaker/room frequency response
but it can't, on its own, produce the correction files for Inguz. I have
seen some mention of the REW measurements being used in other packages
to create the correction files but I confess that I am not up to speed
with
Wirrunna, tried looking at the YouTube video but it doesn't seem to
exist anymore :(
I managed to find IE on Windows 10 as well and as long as silverlight is
installed, as you say the graphical display is there. I have iPhone 6
with iPeng but can't find any way to use it to set up EQ or to save
a