If you cannot afford V-Ray and cannot find a legal copy for R17, switch to one of these render engines that and have free or cheap options:
When Chaos Group took over V-Ray for C4D, they transitioned the product to their standard Chaos License Server . This system uses your email login rather than a manual serial key.
To maximize your productivity and security, the clear solution is to procure a legitimate V-Ray subscription directly from Chaos.
Because 3D rendering PCs have powerful graphics cards (GPUs) and processors (CPUs), hackers love to infect them with silent crypto-mining Trojans. This causes your computer to run hot, lag constantly, and degrades your hardware components quickly. 3. System Instability