You will need a compatible interface, such as an FTDI-based cable or a Tactrix OpenPort 2.0 , to connect your laptop to the car's OBD-II port. Alternative Honda ECU Software
Software Release. Aug 11, 2020. Updates and refinements for HondaECU, focusing on stability and workflow improvements. HondaECU 3. MCU Innovations Hondata S300 V3 Engine Management System - King Motorsports
Improved communication handling to prevent errors during sensitive ECU writing.