There is no public jailbreak for iOS 12.57 (likely a typo for 12.5.7) that works on Windows. This post explains the reality and the closest available options.
to install "tweaks" that customize your home screen, animations, and system fonts. Essential Tweaks : Popular options include (icon animations) and jailbreak ios 1257 windows top
: iOS 12.5.7 was released specifically to patch a WebKit vulnerability, so ensure your device is already on this version for the best experience. Post-Jailbreak: What’s Next? The Ultimate Guide to Jailbreaking iOS 12
: You sideload the Chimera app onto your device using a PC. Once the app is on your phone, you tap "Jailbreak" inside the app. Backup Your Device: Before starting, make sure to
iOS 12.5.7 (common on the iPhone 5S, 6, 6 Plus, iPad Air 1, and iPad Mini 2/3), there are two main ways to jailbreak using a Windows PC. Both tools are reliable but function differently depending on whether you want a permanent hardware-level exploit or an easy-to-manage app. Top Jailbreak Methods for iOS 12.5.7 on Windows Chimera (Semi-Untethered)