##language:en HelpContents > HelpOnAdministration == Maintaining a MoinMoin wiki == The following pages contain information on various subtopics important to MoinMoin admins. Regular tasks: * HelpOnPageDeletion - how to delete pages Installing and upgrading: * HelpOnInstalling - how to install the software and supporting files * HelpOnConfiguration - how to configure your system * HelpOnUpdating - how to update an existing MoinMoin installation * HelpOnSpellCheck - how to configure and maintain the spell checking option * HelpOnSkins - how to change the page layout of your wiki