The KJ Starter was part of a category of software known as "loaders" or "cracks." Most Windows 7 activators worked by exploiting the 2.1 technology. By injecting a virtual BIOS (Slic 2.1) into the computer's memory before Windows loaded, the tool fooled the operating system into thinking it was running on a machine pre-activated by a major manufacturer like Dell or HP. This allowed users to bypass the standard product key entry and online activation process. Risks and Security Concerns