Since the original developer's site is down, there is no "above-board" way to purchase a new license key or activate a fresh trial. Existing Keys:
Place your extracted scenery folder inside the main Addon Scenery folder in your simulator directory. addit pro registration key
. It simplifies the process of installing and managing aircraft, scenery, and textures. Status of Registration Keys Official Support: Unlocking the Full Potential of Addit Pro: A