I finally found a copy!
Complete installation DVD for Cinema 4D 11.5, with Mac installers, and all additional language files I’ve included from the Maxon website. Includes: Cinema 4D Studio Installation DVD for Mac OS French Italian Help Installer Italian Help Installer Japanese Language Update Japanese Help Installer Korean Language Update Korean Help Installer Russian Help Installer Spanish Help Installer and a text file containing magic numbers.
馃檪 Basic installation includes English and German
All the extras, if you don’t need them all, are archived in separate files, in ISO and Zip format, making them available to Windows users as well. Minimum system requirements: Mac OS – Mac OS All Macs a) – 1024×768 pixel resolution with 24-bit color depth – 1 GB free hard disk space (documents not included) Windows – 2003 Server, XP, 2008 Server , Vista or Seven – Windows Internet Explorer 8 for Seven operating systems – RAM 1 GiB – Pentium 4, Athlon 64, Sempron (K8 with SSE2) or VIA C7 – OpenGL compatible video card – 1024×768 pixel resolution with 24-bit color Monitor depth – 1 GB free hard disk Space (documentation not included) Tested on a Mac Pro with Leopard {10.5.8}.
Maxon does not exaggerate in its advertising
Virus free and fully functional as far as I know. They have at least doubled the rendering speed compared to 11.0.
Worth every penny
Shadow maps now use all available cores, not just one, and generate at least 10x faster! If you like this and use it for commercial purposes, buy it.