A personal activation code, also known as a product key or activation key, is a unique code used to activate a software product. It is a security measure designed to prevent unauthorized use of software by ensuring that only legitimate users can access the product. The activation code is usually provided by the software vendor and is specific to a particular software product, version, and user.
With a valid personal code, you can toggle "Real-Time Ray Tracing" in the viewport. This simulates natural sunlight bouncing off stone patios and water surfaces. It is computationally heavy but produces cinematic results instantly. A personal activation code, also known as a