Even years later, R18 is surprisingly capable for motion graphics: Voronoi Fracture:
R18 is not compatible with macOS 10.15 (Catalina) or newer because those OS versions do not support 32-bit components and have different graphics requirements. It will not run on Apple Silicon (M1/M2/M3) chips without significant issues, if at all. Download Cinema 4d R18
Install the latest Visual C++ Redistributables (2015-2022 package) from Microsoft. Also, update your graphics drivers. Even years later, R18 is surprisingly capable for