I made this a while ago as part of a one off application, I've stripped it out of my app and put it as a general reg key system. You can have it as a license key system or a license keyed trial software or just a time limited trial. All it does is encrypt the license data and store it in an ini file which is cunningly disguised as a dll file, if you were to open the dll in notepad it just looks like jibberish. If using the trial software option and the user puts the date back then the software