While installing them directly to a modded PS4 is standard, sometimes advanced users want to extract the files to a PC—perhaps to inspect the game assets, modify files, or retrieve a specific update.
This is the most popular method. It is a free, open-source application that allows you to open a PKG file on your computer and extract its contents. It usually features a graphical user interface (GUI), making it user-friendly. You simply select the file, choose an output folder, and click "Extract." easy pkg extractor ps4 link
Your exploit must be active to launch the application. Quick Setup Guide While installing them directly to a modded PS4
Let me know which your PS4 is running to get more tailored advice. PS4 Easy Pkg Extractor Tutorial choose an output folder