You must complete the workshop tutorial at http://www.perpetualpreschool.com/workshoptutorial/index.html after payment has been made.  If you using a web browser on your smartphone or tablet you may get an error message that the site does not exist.  If so, please look for the command "view desktop site" or "request desktop site."    If you are not sure where to find this command, you will need to consult the help section for your browser.