Go to the official website () and download the correct version for your operating system.
For those on the latest iOS versions, traditional Checkra1n is rarely the primary jailbreak method, with many preferring specialized toolsets developed by the community. Potential Risks and Disadvantages
: Fake IPAs can install malicious profiles that track your keystrokes, steal your passwords, or harvest personal data.
This is the most critical point to understand. An IPA file is an iOS application package. Because Checkra1n exploits the bootrom, it must be executed from a (macOS, Linux, or Windows) over a USB connection. The jailbreak process does not happen inside iOS itself.