God of War 3 has no official PC release, and "repack" versions often bundle PS3 game files with the RPCS3 emulator. Playing the game requires setting up RPCS3 with specific patches and firmware, as it is a demanding title classified as "In-Game" rather than perfectly playable. For instructions and to avoid malware, utilize official emulation resources, as detailed in this YouTube guide .
You will need the PS3 System Software, which can be downloaded for free from the official PlayStation website. Download REPACK God Of War 3 PC Game