After the 30 day trial, your MindManager license becomes a viewer. It will be in read only status at this time. You can open and close topics, but you will not be able to edit anything. If you would like editing capabilities, you will need to purchase a MindManager licence. I hope this helps!
I had a licensed version of MindManager and I trialled the Pro version. The trial has expired but I have no record of my product key, and i cannot reinstate the existing version. I'm sure i activated it by Internet last time, which means that you (?) may be able to activate it remotely. Can you do that if i provide my details?