There has been no official announcement from Sony or the developer, Sucker Punch, regarding a PC release.
If you have access to a console, inFAMOUS Second Son features: There has been no official announcement from Sony
Currently, remains a PlayStation 4 exclusive and does not have an official PC version. Any website offering a "free download" for PC is likely a scam or contains malware, as there is no legitimate way to play the game on Windows without a PS4 or PS5 console. Current Status on PC inFAMOUS Second Son features: Currently