1) Installation file name is based on version i.e install422.php In every update change install...php in install.xml i.e <exclude>install422.php</exclude> and also change 'update...php' in upgrade.xml i.e <setuplocation>upgrade460.php</setuplocation> 2) In manual install New to install: mycal = softaculous 3) PHP REQUIREMENT LINK : https://www.luxsoft.eu/index.php?pge=dtail 4) Keep "THEME" mycal in sql. It is the default theme.