Issue Description
This article explains your options and limitations if you begin working in Archicad in Demo Mode.
Solution
You will always be prompted with a warning that no license was found, at this point, you have the option to Quit or agree to Start in Demo Mode.
Unfortunately what you do in Demo Mode cannot be saved, copied, exported, or published to another Archicad instance. All these functions are disabled.
At this point, there is no way to transition a file from demo mode to an active Archicad file.