There are 6 digital pins on the display that need manipulating to make it work, they can be any 6 digital pins which you can set with the LiquidCrytal Library.
Use the SKPang wiring diagram but use the standard LiquidCrystal library. You could start with the 'Hello World' example but you need to tweak a line to read :
LiquidCrystal lcd(12, 2, 7, 8, 9, 10);
which suits the SKPang wiring. The LCD4bit library suggested is outdated and slow (it also involves you in the noob trap of adding extra libraries to the IDE)