Installation of hacked PS4 titles requires care. Please refer to the following post to view the method for Jailbreaking your PS4 console:
Install the game: Follow the steps in this post to see the graphical and step-by-step PS4 hack:
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For installing the game on your PS4, follow these steps:
1) First of all, decompress the downloaded archives with the latest version of WinRar.
2) Move the pkg file received to your hard drive formatted in exFAT. Remember that this file should be in the primary address of the external hard drive and not in any of its subfolders.
3)Connect your external hard drive to the PS4 console. Now, in the debug settings of your hacked console, go to the following address: Settings>Debug Settings.
4) Then, go to the game section in Debug Settings. Here, you will see the file you downloaded in step 2.
5) Press the X button to start installing. Once the installation is complete, your game will be shown on the PS4 home screen.