For cloned Kess/Ktag units, contact your reseller directly for their custom driver package. Using the wrong version can brick your tool.
Download Phan Mem Ecustool: The Complete Guide to Safe Installation and Setup Download Phan Mem Ecustool
If you're having trouble finding or using ECUStool, consider exploring alternative ECU tuning software, such as: For cloned Kess/Ktag units, contact your reseller directly