There are a few ways to change the theme on your PlayStation 4. One way is to use the PlayStation 4’s “Settings” menu. Another way is to use the “System Settings” option in the PlayStation 4’s main menu. The third way is to use the “Theme Options” option in the PlayStation 4’s settings screen. The fourth and final way to change the theme on your PlayStation 4 is to use a software application called “PS4 themes.” This application can be downloaded from the PlayStation Store or found online. Once you have downloaded and installed PS4 themes, you will need to open it and select one of them as your new theme.