WinStars 3 – A planetarium application for Windows, macOS X, iOS, Android, Linux and Raspberry Pi.

The Universe in your computer

WinStars is a multi-platform 3D planetarium that accurately represents celestial objects at a given moment. It also allows you to virtually travel through our solar system, the Milky Way and the closest galaxy clusters. Additionally, a dedicated news feed allows you to follow and represent the latest discoveries in astrophysics. WinStars is a constantly evolving software. New features are regularly added to make it a tool dedicated to the discovery of our Universe.


Try the next version of WinStars built with Qt 6

WinStars 3 is currently based on the Qt 5 software library, which among other things allows compatibility with all platforms. However, this version 5 of Qt is now becoming obsolete and it is time to move to the latest available version. This transition will limit the incompatibilities with the latest operating systems and introduce new …


Windows 7/8.1/10/11

Release 3.0.270 (2022/12/15):

version x64 (Windows 10 & 11)

version x86 (compatible with Windows 7, 8.1, 10 & 11)

(Warning: using WinStars 3 on an obsolete machine running Windows 7 may cause serious compatibility problems).

If you want to update an existing installation of WinStars3, please use the Maintenance Tool located in the main WinStars3 folder (typically c:\program files\winstars3).


On Google Play :

macOS X

On App Store :


On App Store :

Ubuntu 22.04 x64 LTS or later

Release 3.0.270 (2022/12/15):

Follow this procedure

Raspberry Pi 4 (Raspberry Pi OS 64b Bullseye)

Release 3.0.259 (2022/06/26):

Follow this procedure