Click Here to download the App from the Windows Store.

After you have installed it, download the file to finish your setup. 70.5 MBytes
This file contains everything you need. All the images used by the program and a copy of the database.
Unzip the file and copy the ExploreStars folder into your "Pictures" Library. 5 MBytes
This file contains just the current version of the database. You only need this if you are updating a older installation.
Extract the 3 files and replace the old copies in the ExploreStars folder in your "Pictures" Library.