The screen went black. Then, a low hum vibrated through his desk. Slowly, the iconic yellow "H" logo bled onto the screen, accompanied by the muffled, bass-heavy thud of the festival’s opening track. It worked.
The only legitimate way to play Forza Horizon 1 on a PC is through using an Xbox 360 emulator like Xenia. Forza Horizon 1 Pc Download Extra Quality Highly Compressed
Since there is no native PC version, you must use an emulator. The screen went black