Hi,
you need to know the exact version of cinema4D as each version come with a different python version. In C4d just click on the Help->About menu and it will show you the exact version number. Then you download the appropriate plugin
- Cinema 4D s24 for Mac upy-C4Ds24-mac.zip (follow the Troubleshooting instructions below to resolve the multiarray.so gatekeeper issues caused by MacOS)
- Cinema 4D r23 for Mac upy-C4Dr23-mac.zip (follow the Troubleshooting instructions below to resolve the multiarray.so gatekeeper issues caused by MacOS)
- Cinema 4D r20–22 for Mac upy-C4Dr20-mac.zip
Also on latest Mac you will need to manually bypass the gatekeeper (look at the Troubleshooting section after the installation instruction).
If you still have issues after that, look at the content of the console (Extension->Console | Python) and post it here.
Ludo