The Ultimate Guide to Pro MHD Activation Codes and Exclusive Features

: This "pro" level package typically includes the Flasher License, Monitor License, and all OTS (Off-The-Shelf) maps for your engine.

Difference between product key and activation code - Microsoft Support

An activation code is a unique alphanumeric string used to permanently link a license to your car's VIN (Vehicle Identification Number).

: Often considered the "exclusive" version, MHD+ is custom code that adds features like on-the-fly map switching, anti-lag, and FlexFuel support to F and G series vehicles. How to Activate Your MHD License