Starry Night Files are .zip files containing all the settings files you will need for each individual Starry Night lab. Save the relevant zip file to your desktop and then unzip it to a relevant folder. You will need to open these files from within Starry Night using File -> Open, files will NOT work properly if you simply double-click on them.
Doppler, Supernovae, and Hubble Files are flash .exe files. Please save the relevant file to your desktop and then simply double-click to begin.