HI-TECH Software has provided this [1] freeware compiler, HI-TECH C PRO for the PIC18 MCU Family (Lite mode), as a low-cost tool for hobbyists and students, however the license allows its use for commercial purposes as well. It is ideal as a teaching tool for an introduction into the ‘C’ language and embedded programming on a PIC18 MCU Family device.You may copy and redistribute this software, providing it remains in the same archive file. You may use this software for any purpose. No warranty of any kind is provided, and all use is entirely at your own risk. Full details of the licence under which it is supplied are provided within the download.