Demo does most things but there are some that only works in a licensed verson, here are the restrictions as published on the Artsoft info page.
Mill & Plasma: 500 line gcode limit (10,000,000 limit after licensing)
Turn: 50 line gcode limit (10,000,000 limit after licensing)
Kernel Frequency locked at 25kHz (only applicable if using the parallel port driver)
Set Next Line function disabled
Run From Here function disabled
Turn: Threading disabled
Plasma: THC functions disabled
Hood