how do i uninstall or remove applications

please help, i want to know how to remove applications (joomla, alterpages, wordpress). i was testing the different applications and want to remove them all and start again. i saw somewhere that it needs to be done through the dashboard but i cant see where to do it.

i found it --> http://forum.en.altervista.org/alter...startpage.html

[eudemonico]

Login here Control Panel and manage your apps from Altervista Dashboard.