Microsoft Flight Simulator 2024 on Windows 11 (64-bit).
No. It does not modify aircraft files, flight models or aerodynamic forces. It only shapes the stick and rudder input it passes to the simulator.
In MSFS, bind your stick and pedals to Elevator Axis, Aileron Axis and Rudder Axis. Start HeavyPro, load a flight and move the stick once. The status panel will show the route as active.
HeavyPro passes your input through unchanged whenever the autopilot is engaged, the app is switched off, or a flight is loading.
Log in and open My account. Your orders and licences are listed there.