D5 Render is a real-time ray tracing renderer (competing with Lumion, Enscape). “D5 download” often refers to downloading the software, materials, or models from the D5 Live Asset Library .
For architects, the new D5 Sync is a game-changer. It allows for granular control over what you sync—you can choose to sync only geometry, or only materials, or only lights. This solves the old frustration of accidentally overwriting your D5 scene settings when updating a model. d5 download