Here is screenshots showing I followed all correct steps.
I am using his character to even prove it isnt working inside it.
Error message when I install Fighter Factory studio
So I even reinstall all Microsoft VC Redistributable latest official Windows wesbite versions
Char is 1.1 version
SFF is 18.104.22.168 version
Using Native Painter
I select mask color on his character (he already did it but i am just showing the example)
The Alpha channel option i cannot see
Why does it not appear for me?
I tried 3.6 and 3.5 versions