@tenkan should be able to steer you in the correct direction with regards to software, if you PM him
there is plenty help from fellow ’ers whom frequent this forum, in the Hearing Aid Self-Fitting and Adjusting (DIY) category section of this forum, is sort of hidden, but you can find it if you look hard enough
Good Luck, Cheers Kev 
Edit;
Hearing Aid Self-Fitting and Adjusting [DIY]
This forum is a place for consumers to discuss fitting and adjusting their own hearing aids.
You’re ignoring this member’s posts.
