The checkra1n jailbreak tool has been a game-changer for iOS enthusiasts, providing a semi-tethered jailbreak solution for various iPhone and iPad models. The latest version, checkra1n 0.12.1 beta, has been released, and users are eager to try it out. In this blog post, we'll guide you through the process of downloading and using checkra1n 0.12.1 beta on Windows, as well as provide information on the portable version.