The guide for the installation of the recent MSS software, can be downloaded here. The most recent mss_settings files are found here: MSS settings, update 2022-03-20.
A (legally non-binding!) kml file of the main airspaces to be overlaid in MSS can be found here.
You can permanently save your login in the MSS *.json file, in case you do not want to repeat entering your login every time again. Simple add these two lines at the end of the *.json file. Be careful with the “,”!
, "MSCOLAB_mailid": "my.mailing@domain.de", "MSCOLAB_password": "put your password here"