To jailbreak iOS 12.5.7 on a Windows PC, the most reliable methods currently involve using either or checkra1n via a bootable USB. Recommended Jailbreak Methods (Windows) 1. 3uTools with Chimera

: Download a sideloading utility like Sideloadly or AltStore on your Windows PC.

The primary jailbreak tool for this version is (based on the checkm8 bootrom exploit). However:

You will need a USB flash drive. Tools like 3uTools or Checkn1x allow you to create a bootable USB environment on your Windows PC. The Process: Flash the Checkn1x ISO to your USB drive. Restart your PC and boot from the USB.

It is a "semi-tethered" jailbreak, meaning it is incredibly robust, though you must reconnect it to your PC if the battery dies or you reboot the device. 3. Chimera & Freya (The "No-PC" Backup)