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!
Update the artificial satellites TLE using your current setting.
This open the same dialog as View → Calendar → Artificial satellites but do not touch any button as all is automated here!