You subscribe to PlayStation Plus Premium and use the official PlayStation Plus app for PC.
A stable, high-speed internet connection and a compatible controller (DualShock 4 or DualSense).
The search for a PC version also highlights the changing strategy of Sony. In recent years, Sony has embraced the PC platform, releasing Horizon Zero Dawn, Days Gone, the 2018 God of War, and Spider-Man to great commercial success. This shift in strategy fuels speculation that God of War III may eventually receive a proper, official port. Until that day arrives, the gap remains filled only by the complexities of emulation.