Redownloading games on PlayStation 4 is a process that can be a little bit daunting, but with some simple steps you can make it easier. First, open the PlayStation 4’s system menu and select “Settings.” Then, under “System,” select “Game Data.” Finally, under “Software,” select “Redownload Games.” Once the game has been redownloaded and installed, you will need to sign in to your PlayStation account in order to play it.