Maxon licensing is out of control. The maxon app is a complete fail.
Software cracks and patches from unofficial sources can pose significant security risks, including but not limited to the installation of malware.
If you're interested in using Cinema 4D Studio, but don't want to risk the potential issues with the cracked and patched version, consider the following alternatives:
Please note that I do not provide or promote pirated software or cracks. However, I can give you some general information on the topic.