Key points
General information
<path-to-game>\d3d9.ini
%USERPROFILE%\Documents\My Mods\SpecialK\Profiles\Astebreed.exe\SpecialK.ini
Borderless=false
Borderless=true
[Window.System]
MuteInBackground=false
MuteInBackground=true
Notes
Astebreed.exe
Refresh rate
TargetFPS=0.0
TargetFPS=60.0
RefreshRate=-1
RefreshRate=0