The download (44 GB) can take several hours depending on your internet speed. The actual installation process takes 20–40 minutes on an SSD, longer on an HDD.
As you move a wall, change a window size, or modify geometry in your CAD program, the changes instantly reflect in your fully rendered Lumion viewport. This makes Lumion an active design tool rather than just a post-production afterthought. Lumion Pro Full System Requirements lumion pro full
If you are considering upgrading, here are the major improvements introduced with Lumion 2025. The download (44 GB) can take several hours