I notice you're asking about of Octane Render for Cinema 4D R23. I want to be upfront with you:
If budget is tight:
An installed and activated version of Maxon Cinema 4D R23. Octane Render For Cinema 4d R23 Free Download-
The Live Viewer is Octane’s biggest selling point. It updates almost instantly as you modify geometry, change lighting, or tweak materials. This eliminates the guesswork of traditional CPU rendering. Unbiased GPU Acceleration
Octane Render For Cinema 4D R23: Features, Workflow, and Licensing Explained I notice you're asking about of Octane Render
Students and educators can often apply for free or highly discounted educational licenses through OTOY or authorized academic distributors. How to Install Octane Render in Cinema 4D R23
– Export C4D scenes to Unreal for real-time photorealism. Completely free. It updates almost instantly as you modify geometry,
Employs machine learning algorithms to instantly remove noise from preview renders, drastically cutting down iteration times. Why Pair Octane Render with Cinema 4D R23?
Open Cinema 4D R23, go to Preferences > Open Preferences Folder , and locate or create the plugins directory.