Can't access "mymessage" via Windows computer
When I login in to check my iMessages at mymessage.apple.com, I only receive the error message "You do not seem to have access to this page. Please contact Admin."
I can log in to icloud.com, but there's no app or tile for iMessage.
How can I access my iMessages via a Windows laptop? I reside in Canada. Thank you.
Windows, Windows 10