sudo apt-get install python3-pifacedigital-emulator

sudo reboot

To test all your PiFace software has installed and your RaspberryPi is set up correctly, type one of the following commands into a Terminal:

Python3

python3 /usr/share/doc/python3-pifacedigitalio/examples/blink.py

Python 2:

python /usr/share/doc/python-pifacedigitalio/examples/blink.py Press Ctrl c to close the blink program.

After installing the software and restarting, login and startx. Start the PiFace emulator by typing in a Terminal:

pifacedigital-emulator

Or click on the Desktop icon