/*************************************************** 
  This is a library for the Adafruit STMPE610 Resistive
  touch screen controller breakout
  ----> http://www.adafruit.com/products/1571
 
  Check out the links above for our tutorials and wiring diagrams
  These breakouts use SPI or I2C to communicate

  Adafruit invests time and resources providing this open source code,
  please support Adafruit and open-source hardware by purchasing
  products from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.
  MIT license, all text above must be included in any redistribution
 ****************************************************/

To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_STMPE610. Check that the Adafruit_STMPE610 folder contains Adafruit_STMPE610.cpp and Adafruit_STMPE610.h

Place the Adafruit_STMPE610 library folder your *arduinosketchfolder*/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE