SourceBoost IDE
Programming of the Microchip microcontroller is done using an IDE called SourceBoost and the associated C compiler.
An introduction to using the IDE is found in here.
Source Code
Programmer Software: The programmer software is here. You need the executable and the CID file.
Note that this is special firmware that only works with the 4620. If you are using a different processor you need to contact me for alternate software.