When a user initiates an installation:
Stick to official PKG files delivered through PSN or game discs. Attempting to install a Fake PKG on a fully updated PS4 will simply fail (the console will reject it). If you intentionally keep your firmware low to run exploits, you lose access to PSN, online multiplayer, and newer games – a significant trade-off. ps4 pkg
You're looking for information on PS4 PKG files! When a user initiates an installation: Stick to