You can simply click on 'Auto' to let the program configure it for you, and then check that all the buttons are correct and Run the emulator and configure your controller.
You can google it or download from here: put the emulator in your Cuphead folder.Ģ. NOT 64! it doesn't matter what your system is, get the 32 bit version. First, get the emulator x360c 32 bit version.