Enjoy your PS4 legally. The cost of a game is far less than the headache of a banned console or a malware-infected hard drive. Disclaimer: This article is for educational purposes only. The author does not condone piracy or illegal modification of copyrighted software. Always respect intellectual property laws and Sony’s terms of service.

stands for Package . It is the official installation file format used by Sony for the PlayStation 3, PlayStation 4, and PlayStation 5.

is for developers with a Sony-issued Dev Kit or for downloading your purchased games from PSN. You do not handle standalone PKG files.