get_it - prman-pixar/RenderManForBlender GitHub Wiki
Download options
Only download the addon from these locations
Direct link (recommended) https://github.com/bsavery/PRMan-for-Blender/archive/master.zip
GitHub page https://github.com/bsavery/PRMan-for-Blender
Other Parts
The PRMan for Blender addon works as a bridge between Pixar's RenderMan and the Blender animation software. As such, you need both these pieces to use the addon.
Get RenderMan - Note: RenderMan is free for non-commercial uses. If you want to use it for commercial uses or need more than one license, contact [email protected].