A keygen, short for key generator, is a type of software that generates product keys or activation codes for proprietary software. These keys are typically used to activate a software product, allowing users to access its full features. Keygens are often created by individuals or groups who aim to bypass the software's protection mechanisms, effectively pirating the product.

The existence of such tools fuels a long-standing debate between corporate interests and consumer accessibility. The Legal and Security Perils of Using Cracks and Keygens

Click.