GameCube Controller Adapter High Sierra Issues

[KHg8m3r]

The simple explanation is to:
download both files from post 84
unzip them
make sure they’re in the same folder
Disable SIP
run the .pkg file
enable SIP

To disable/enable SIP, this is a good tutorial:
https://www.macworld.co.uk/how-to/mac/how-turn-off-mac-os-x-system-integrity-protection-rootless-3638975/