Acteon, the parent company of Lumion, has moved to subscription pricing. A monthly subscription is far cheaper than the old perpetual license of Lumion 9. For the price of two pizzas per month, you can legally access the latest version with cloud libraries and no malware.
In the context of Lumion, the software uses a hardware-based licensing system tied to a specific machine. A simple text file containing a string of numbers is rarely sufficient to activate a sophisticated program like Lumion 9. The software "phones home" to verify the license against the specific hardware ID of your computer. This makes standard key sharing difficult and unreliable, pushing pirates toward "cracks"—modified versions of the software’s executable files. Lumion 9 Activation Code Text File
Find the section for Lumion 9 under "Perpetual Licenses" or "Subscriptions". Acteon, the parent company of Lumion, has moved