Click "Start." The tool will ask you to put your device into DFU mode. Do not use Recovery mode. Hold the Power + Home button (or Power + Volume Down for iPhone 7/8/X) for exactly 4 seconds. Release the Power button but keep holding the other button for 10 seconds.
Enter the search query that is taking forums by storm: If you have typed these words into Google, you are likely frustrated, looking for a reliable Windows solution, and tired of fake jailbreak tools. justatechcheckra1n0124windows best
Connect your iPhone to the PC. If iTunes opens, close it immediately. iTunes interferes with checkra1n. Click "Start
Run the installer as Administrator. During installation, check the box that says "Install Apple DFU Drivers (WinUSB)". This is the secret sauce of the "best" version. Allow the driver installation even if Windows warns you it is unsigned. Release the Power button but keep holding the
The "0124" build has a visual timer that helps with this timing—something other Windows ports lack.