First: Install Equalizer APO: https://sourceforge.net/projects/equalizerapo/
Restart, and install Peace Equalizer, a user interface for Equalizer APO https://sourceforge.net/projects/peace-equalizer-apo-extension/
This is supposed to be good from Windows Vista to 10, and it definitely worked on my 10 installation. YMMV.
$0 solution, nice!