While PC emulators for the PS4 are advancing rapidly, they are not yet at a stage where a massive, graphically intensive game like the Resident Evil 4 Remake can be run perfectly as a simple "portable" executable on an average computer.
If you have a jailbroken PS4 (typically on firmware 9.00 or 11.00), downloading and installing an FPKG of Resident Evil 4 Remake follows a standard process. resident evil 4 remake ps4 rom pkg update dlc link portable
Modifying your PS4 firmware to install unauthorized PKG files breaks Sony’s Terms of Service. If a modified console connects to the internet, Sony can permanently ban both the console hardware and your PSN account. While PC emulators for the PS4 are advancing