Just Download and install the tool on the computer.
Run the app and connect your iPhone or iPad to the computer using a USB cable.
The tool will now scan your device and read the IMEI number.
Click Bypass Activation Bypass and wait for the process to complete. The tool will use your IMEI number to connect the device to the Apple servers, and then delete all linked iCloud accounts.
Once the process is complete, disconnect your smartphone and restart it. You will see that the iCloud lock has been permanently removed and iCloud is no longer required to use the device.