I don't believe there is any 'registration' or fee for MPLAB. In fact, it's best to get the latest version from the web vs the CD, since the CD will almost never be up to date, given it was produced months ago. -Skip Carl Denk wrote: > I recently bought a PICKIT 2 starter package. It came with MPLAB 8.3, > which I have installed and using as the with the free limitations. I am > assuming that now that I have a CD, that I can move to the full featured > version. Do I have to uninstall and the install from the CD, or is there > another way. :) > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist