The folder in windows C:\Users\(Logged User)\Documents\Arduino
You need the libraries to make the sketches work.
Must use Arduino 1.0.5 or 1.05r2 for sketch to work
Ethernet Shield Wiz5100
Download LedBlink and follow the instructions in the zip.
(https://s11.postimg.org/um2inqrz3/Ardunio_Web.png) (https://postimg.org/image/um2inqrz3/)