Tinkercad Circuits: A web-based tool by Autodesk that is perfect for beginners. It allows you to simulate Arduino projects and basic breadboard designs in a visual 3D environment.
Lack of Support: If you encounter a bug in version 1.15 while using a "pirated" code, you cannot access official technical support or updates. The Evolution of Circuit Wizard
Fritzing: Excellent for documenting prototypes. It provides a "breadboard view" that looks very similar to the visual style used in Circuit Wizard.
If you cannot find your original release code or are looking for a free way to design circuits, the industry has changed significantly since 1.15 was released. There are now several powerful, free, and legal alternatives available:
EveryCircuit: A highly visual simulation tool available for web and mobile that uses animations to show how current flows through a design. How to Get a Legitimate License
Searching for "Circuit Wizard 1.15 release code" often leads to shady corners of the internet. Here is why you should be cautious: