Any code editor will work for you and then you will need a compiler like the one they offer for free in their web page:
https://www.microchip.com/pagehandler/en_us/devtools/mplabxc/[
^]
You can get sample code in their page too:
https://www.microchip.com/[
^] (look at the third column).
See the tech specs of the device:
http://ww1.microchip.com/downloads/en/DeviceDoc/39582b.pdf[
^]
And of course establish a connection...
http://www.picprojects.net/rs232_communication/[
^]
Apart of that you truly should think that anyone who would read your question would not know what you want clearly, neither what you've tried, if you have already done something or not...
Try to extend your question...