Modern Lumion is highly dependent on a dedicated GPU (e.g., NVIDIA RTX 4060 Ti or better).
Included a large collection of high-quality materials, objects (like nature and people), and effects that could be dragged into scenes.
While the query refers to a version from 2012, current releases like and Lumion 2026 have significantly higher system requirements and advanced features:
Current professional standards recommend 64GB of RAM and at least 12GB of VRAM.