[Windows] Custom controls on pad

[falcom1031]

[*]Launch "PPSSPPWindows.exe".
[*]Click on the "Options" tab >> "Controls".
[*]In front of "Force device :", choose "XInput" and click on the OK button.

I tried the whole thing, but this is the part where I'm stuck in my PPSSPP has no option tab it has settings tab and when I go to settings >>controls there is no either "force devise" or "Xinput".
When I play PPSSPP with Xpadder my square and my triangle keep switching
most of the time both my square and my triangle do what the square is supposed to do.