This menu let you keep current some data that require to be regularly updated. You must be connected to the Internet before to use this functions.
Check if a new version of the Skychart software is available and propose to download.
This check only for a new stable version, except if you are already running a beta version.
Update the comet elements using your current setting.
This open the same dialog as Setup → Solar system → Comet but do not touch any button as all is automated here!
Update the asteroid elements using your current setting.
This open the same dialog as Setup → Solar system → Asteroid but do not touch any button as all is automated here!
Open both the https://www.space-track.org web page in your internet browser, and the location where you need to download the TLE files with .tle extension in your file explorer.
This is the same function as the Download TLE button of the artificial satellites page of the Calendar.