Keep using the file. His render farm was now technically running on stolen software licenses—but that was Marcin's crime, not his, right? He could just say he didn't know. He could ride this wave to a senior position. Buy a house. Finally pay off his student loans.
Once you have your assets, you can develop a story by following these steps: Select a "Hero" Asset cinema 4d project free download
Thank you for leaving the "History" on so I could step through your process. The only reason this isn't 5-stars is that the download link was a bit slow (took 5 minutes). Unlock Your Creativity: The Ultimate Guide to Cinema
Several platforms and artist portfolios offer extensive libraries of .c4d files: Go to Window > Project Info > Texture Manager