HDRI Studio Rig requires a minimum of Cinema 4D R14. You also need Global Illumination. How do you know if you have Global Illumination? If you have the Advanced Render Module, or R14 Broadcast, Visualization, or Studio bundles, then you are ready to rock! Runs on Mac or PC operating system. NOTE: HDRI Studio Rig is fully compatible with Cinema 4D R17 and above.