You will need the Easy PKG Extractor.pkg file to install the app on your console. How to Extract Your PS4 Games
Easy PKG Extractor is a homebrew application that lets you "dump" or copy installed package files (PKGs) from your PS4's internal storage directly to an external USB drive. While advanced users often use FTP or tools like PS4-Xplorer, this app is aimed at less experienced users who want a "one-click" experience with a graphical interface. easy pkg extractor ps4
It identifies whether your drive is in usb0 or usb1 without manual configuration. You will need the Easy PKG Extractor