The game’s technical requirements and licensing agreements made a PS3 release impossible:
The game utilizes DirectX 12 on PC, a technology not supported by the PlayStation 3's older hardware. Official Platforms for Forza Horizon 3 i--- Forza Horizon 3 Ps3 Pkg Download REPACK
If you want to play Forza Horizon 3 legitimately, it is available on the following platforms through backward compatibility or original hardware: The original release console. Xbox Series X|S: Playable via backward compatibility. Windows 10/11 PC: Available through the Microsoft Store. Current Availability Status Why Forza Horizon 3 is still the BEST! i--- Forza Horizon 3 Ps3 Pkg Download REPACK