C:\Program Files\MAXON\CINEMA 4D R17\plugins

or
C:\...AppData\Roaming\MAXON\CINEMA 4D R17_8DE13DAD\plugins

What is happening?
aoktar wrote:To nr.1
Requirements are at least R16.050 or higher and R17.048 or higher. Also compatible Nvidia gpu and drivers. Do not forget to delete unrelated plugin dll's as described in readme.txt.