Even if you manage to get R18 running, you may face significant hurdles:
If you are a student or teacher, your institution might have a legacy license for R18. Many universities keep older versions because their computer labs run older hardware (e.g., Mac Pro 2010 or Windows 7 machines). Contact your IT department for a download link. download cinema 4d r18 new
If you use Adobe After Effects, you can often access a lite version of Cinema 4D directly as an add-on, though it may be a more recent version. Even if you manage to get R18 running,