Running Lumion Pro 3.0.1 32 Bit required specific hardware. Here is the original requirement sheet:
Historically, earlier versions of Lumion, such as version 6.3 and older, were designed with some degree of flexibility for older hardware. However, it is critical to note: Lumion Pro 3.0.1 32 Bit
If you happen to run Lumion Pro 3.0.1 32 Bit on a modern machine, you may encounter: Running Lumion Pro 3
This ".0.1" patch release was primarily a stability update following the initial 3.0 launch. Key features included: earlier versions of Lumion
: The current version, requiring a high-end 64-bit PC and a modern NVIDIA or AMD GPU.