RenderMan 24.4 that could have been downloaded from our website for free. The following versions: 20.0 and 19.0 were the most frequently downloaded ones by the program users. This free PC program is compatible with Windows 7/8/10/11 environment, 64-bit version. Our built-in antivirus scanned this download and rated it as virus free. The program lies within Photo & Graphics Tools, more precisely 3D Design. The actual developer of the free program is Pixar.
From the developer:
RenderMan is a high performance renderer built to tackle the most complicated 3D imaginable. With the new state-of-the-art ray tracing RIS framework optimized for physically-based rendering combined with the efficiencies of the REYES architecture, RenderMan can deliver unmatched flexibility for any production pipeline.
You may want to check out more software, such as Ayam, Aqsis Renderer or 3Delight, which might be similar to RenderMan.