It is crucial for carefulness to follow the tutorial for PS4 title installation. Please refer to the post below for device lockdown guidelines:
Install PS4 exploit guide and images step-by-step
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Install the game:
1) First, extract all the downloaded RAR files using the latest version of WinRar.
2) Transfer the obtained file pkg to your hard drive, which has been formatted to exFAT. Pay attention not to copy the file to any subfolders on the hard disk, but only to the root directory of the hard drive, not any of its subfolders.
3) Connect your hard drive to your PS4. Given that the debug settings section is active after hacking the console, enter this section. That is, follow the address Settings => Debug Settings on your console.
4) Refer to the address Debug Settings => Game => Package Installer. The file you downloaded in step 2 will be displayed here.
5) By pressing the X button, start the installation. After finishing the installation, the game will appear on the initial page of your PS4 console.