The only legitimate way to run PS4 games on a PC is through an emulator. However, PS4 emulation is still in its infancy.
While developers are making incredible progress with emulators like ShadPS4 (which can now run Bloodborne to some extent), The Order: 1886 is a graphically intense game that utilizes specific PS4 hardware features. the order 1886 pc torrent work
These "installers" often contain viruses, miners, or ransomware designed to compromise your computer. The only legitimate way to run PS4 games