ZiPhone was originally developed for macOS, but a Windows version was later released. It could jailbreak, activate, and unlock certain older iPhones (e.g., iPhone 2G, iPhone 3G) depending on the firmware version.
Are you trying to use it on an old iPhone for retro purposes, or just curious about its history? Ziphone For Windows
It looks like you're referring to which was a popular jailbreak tool for early versions of the iPhone OS (iOS 1.x–2.x) around 2007–2008. ZiPhone was originally developed for macOS, but a