o3de/Gems/Atom/Feature/Common/Registry/splash_screen.setreg

{
    "O3DE": {
        "Atom": {
            "Feature": {
                "SplashScreenEnable": false,
                "SplashScreen": {
                    "$type": "AZ::Render::SplashScreenSettings",
                    // Sample context only.
                    //"ImagePath" : "Textures/SplashScreen.jpg.streamingimage",
                    "DurationSeconds" : 10.0,
                    "Fading" : true
                }
            }
        }
    }
}