"Is it truly free, Father?" the boy whispered. "The merchant on the forum said the 'Full PC Version' costs nothing but a click."
To summarize:
Sony's revamped PlayStation Plus service includes a "Premium" tier that allows cloud streaming of select PS4 and PS5 games to PC. God Of War Ragnarok Full PC Version Free
The only legitimate ways to play it at "no additional cost" are through a PlayStation Plus Extra subscription on console or by receiving the Valhalla DLC free for everyone who owns the base game. PC Version Overview God of War Ragnarök on Steam "Is it truly free, Father
expansion is included at no additional cost. This roguelite-inspired epilogue follows Kratos through personal trials. PlayStation Plus (Subscription) "Is it truly free