In  https://docs.einsteintoolkit.org/et-docs/Pysim_Tutorial_for_New_Users

"If you don't have an existing account on Queen Bee you can request an account to use for these examples. "

"request an account" goes to 404 Page Not Found,
"Please let the Einstein Toolkit team know if there's a bad internal link somewhere"
(http://einsteintoolkit.org/info/documentation/request)