Self employed software developer Fad Opal has figured out how developers are able to unlock Pro Tools HD using a key combination on launch. Read the whole story here http://www.pro-tools-expert.com/home-page/2014/3/31/developer-finds-back-door-and-unlocks-pro-tools-hd.html
It requires no coding experience and it does not require tampering with the software, it is simply a hidden feature used by the developers when testing features.
Thanks to Rosily Developers for this cool trick,
We didn't believe him when he told us so we made this uncut video to show it actually working.