Launch a terminal application.

1. mv ~/Library/Application Support/Karabiner
2. git clone https://github.com/pinkienort/Karabiner.git .

Launch the Karabiner application.

1. In 'Change Key' tab, click 'Reload XML'.
2. Then, there are 'Private' menu on the top.
3. You check one you wanna use.

More karabiner description are in .xml files.

/Applications/Karabiner.app/Contents/Resources