I notice you're asking about a "Lumion Pro 12.5 x64 multilingual" version from a site called "FileCR" with a "verified" tag.

Volumetric lighting, artistic effects, advanced materials, and high-fidelity rendering capabilities. Key Features in Lumion Pro 125 x64 Multilingual

: Lumion offers a 14-day free trial of the latest version so you can test its capabilities on your hardware.

Use ultra-high-definition (4K) textures only on surfaces close to the camera view.

What are your current (CPU, GPU, and RAM)? Share public link