Open Cinema 4D, it may prompt you with error like this “VRayForC4D serial number error”.In the installation process, select your Ciname 4D installation folder (such like “ C:\Program Files\MAXON\Cinema 4D R19“) for the “ Cinema 4D Application Directory” option.
Install the corresponding version of plug-in.
If required, enter your Admin password to confirm the change.Application/Maxon/Cinema 4D RXX/Plugins/VrayBridge/res/libs/osx/.Unzip and copy the files into the following path:.Copy the unlocked files to the corresponding installation folder and overwrite.Download and install vray_adv_3700x_cinema4d_圆4.exe.Copy the unlocked file ( cgauth.dll) to “ C:\Program Files\Maxon Cinema 4D R2X\plugins\V-Ray\res\libs\win64\“.Download and install V-Ray for Cinema 4D.