Always read the installation procedure carefully before installing or using the Distro. The password for the guest user is "aarickde" and search for the calamares installer by typing install in application launcher or the menu which appears after pressing start button.All the Installation procedure is documented in the Installation page of the site.
Link to the steps: https://aarickyadhuvir.wixsite.com/aarickde/blank-page
Thank you and have a nice day ahead.