Maxon offers a free trial of the current Cinema 4D version directly on their website.

: Expanded GPU-rendering capabilities including motion blur, sub-surface scattering, and Metal 2 support. Important Considerations for "Portable" Versions

While there is no official "portable" version of Maxon Cinema 4D R20.057

Used globally for AAA games, visual effects, and animation.

While R20 is highly capable, it is now considered a and faces compatibility issues with modern operating systems: