I get this error aMember Installation File '/home/desserif/public_html/amember/config.inc.php' is already exists and non-zero. Please remove it or delete all content if you want to do full reconfiguration File '/home/desserif/public_html/amember/config_plugins.inc.php' is already exists and non-zero. Please remove it or delete all content if you want to do full reconfiguration
setup.php used only once in aMember Free after that you may edit config files manually. In aMember Pro you can adjust settings via admin control panel.