Google file stream is an application that allows you to access your google drive from your desktop.
(windows explorer/ Mac finder)
It needs to be set up
instructions are in the youtube video below
Note use name.sname@education.nsw.gov.au as email
it should give you normal "portal" logon
It might ask you again for your credentials .. maximum of 2 times total.
if it complains about proxy error ..... clcik in system tray, cliock on google icon then the sign in button ... it wont ask you again.
You will soon have a "g" drive containing your files