However, I can help you with legitimate options:
If you lost your original code or never had one, the safest and most reliable option is to buy the game:
: Si compraste el juego digitalmente a través de la tienda de GIANTS o Focus Home, puedes solicitar una recuperación de clave enviando un correo a support@focus-home.com o visitando el sitio de soporte de Farming Simulator
The product activation key is a unique alphanumeric code provided by Giants Software. This code proves you own a legitimate copy of the game. It is required during the initial installation process or when you first launch the game after a fresh download.