To achieve the "top" rank, you cannot run a stock ISO of GT2. You need the or the Arcade Mode patch . Here are the must-have EXE hacks:
Polyphony Digital built the game engine specifically for the PS1 hardware architecture. It cannot run natively on Windows without an emulator. How to Safely Play Gran Turismo 2 on PC gran turismo 2 pc gameexe top
Do you need help troubleshooting specific ? Share public link To achieve the "top" rank, you cannot run a stock ISO of GT2