If you are on the latest firmware and only want to install official PKG files (for example, a game you downloaded via a proxy or a backup of a disc you own), the process is straightforward but limited.
⚠️ Jailbreaking voids your warranty, blocks online play (PSN), and violates Sony’s Terms of Service. It’s also illegal in many regions to download or distribute copyrighted game PKGs. pkg ps4 games