There is no official native version of checkra1n for Windows. The developers at the official checkra1n website have stated they plan to release a Windows GUI version eventually, but as of April 2026, it has not been released.
If you are holding an older device running iOS 12.5.5—likely an iPhone 5s, iPhone 6, or iPad Air 1—you are in a unique position. iOS 12.5.5 is a security update for 32-bit devices that are incompatible with iOS 13 and later. It is widely considered one of the most stable versions of iOS for older hardware.
Overall Rating: ⭐⭐⭐☆☆ (3/5 – Useful but with major caveats) download checkra1n for windows ios 12.5.5
The Magic Happens
In the checkra1n menu, go to Options and ensure "Allow untested iOS/iPadOS/tvOS versions" is checked. There is no official native version of checkra1n
Features of Checkra1n:
Congratulations! You've successfully downloaded and installed Checkra1n on your Windows machine and jailbroken your iOS device running on iOS 12.5.5. With Checkra1n, you can now customize your device to your heart's content, install third-party apps, and explore the world of jailbreaking. Ensure you are using the latest checkra1n version (v0
Click Start. This will erase everything on the USB drive, so make sure you don't have important files on it. Once the process is "Ready," close Rufus. Step 3: Booting into Checkra1n Keep the USB plugged in and restart your computer.