Hello @Hugh , thank you for posting in PowerSchool Community!
PowerSchool Enrollment forms are entirely web-based and do not require any external or additional software to operate correctly. The error message "The page is unavailable" is typically caused by either an improperly constructed link or a set-up issue with the form. In either case, we would suggest reaching out to your school district for further assistance with troubleshooting this issue.
For further assistance, please feel free to contact our Support team via Live Assist here: https://help.powerschool.com/t5/Contact-Support-Registration/ct-p/contact-support-registration