Please select the appropriate Celestia package for your computer from the list below.

Mobile Celestia versions are available at


The Windows package of Celestia is a self-extracting archive. Download it to your computer and then run it.


The macOS package for version 1.6.1 is a disk image. Download it to your computer, double click it, and follow the instructions in the README. The package for 1.6.2 is a zipped bundle, download it and unpack.


See the installation instructions for your distro at the below pages.

Source Code

Celestia is an open-source project. As such, its source code is provided and is freely modifiable and redistributable as per the GNU Public License. Installation instructions are provided in the INSTALL file.