WinStars 3 is a free multi-platform 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 nearest galaxy clusters. Additionally, a dedicated news feed keeps you up-to-date with the latest discoveries in astrophysics, which can be visualized within the software. WinStars is a constantly evolving software, with new features regularly added to make it a tool dedicated to the exploration of our Universe.
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Leaving social networks and the GAFAM ecosystem
Not a day goes by without us becoming acutely aware of the sprawling grip that tech giants have on our lives. These companies, many of which are less than 20 years old, have already reached market capitalizations exceeding $1 trillion—an amount comparable to the GDP of the Netherlands, the world’s 17th-largest economy. This limitless accumulation …
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The comet Tsuchinshan-ATLAS: A new Great Comet?
The comet Tsuchinshan-ATLAS (full name – C/2023 Tsuchinshan-ATLAS) is an Oort cloud object discovered on January 9, 2023 by the Tsuchinshan (Purple Mountain) Observatory, located on the eponymous mountain near Nanjing in the People’s Republic of China. On February 22, 2023, it was independently discovered by the South African telescope of the ATLAS robotic system, …
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Gratuity, social networks and latest changes
A few important changes in recent weeks: the software is now completely free of charge and is moving definitively to Qt 6.X. It is enriched with new features and integrates the Chromium browser, which improves the visualization of pages written in html (this only concerns the “Info” section for the moment). I rechecked the accuracy …
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Download
Windows 7/8.1/10/11
Release 3.0.304 (2025/01/14):
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- x64 version (Windows 10 & 11)
https://winstars.net/files/version3/winstars_installer.exe
- x64 version (Windows 10 & 11)
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- x86 version (Windows 7, 8.1, 10 & 11)
https://winstars.net/files/version3/winstars_installer_x86.exe
Not recommended. For use with older configurations or if you have compatibility problems with the x64 version.
- x86 version (Windows 7, 8.1, 10 & 11)
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If the program indicates a problem with the Internet connection, please consult the following link.
To update an existing WinStars3 installation, please use the MaintenanceTool.exe located in the main WinStars3 folder (usually c:\program files\winstars3).
Android
WinStars 3 is no longer available on the Google Play Store.
Download the APK file corresponding to your device’s processor, then click on the file to start the installation:
To install the program on your mobile device, you will need to enable the permission to install from unknown sources. These files were scanned with BitDefender antivirus software before being uploaded to this server.
macOS X & iOS
Due to Apple’s decision to abandon x86 processors, I am no longer able to compile the project.
W3 is therefore no longer compatible with macOS & iOS.
Ubuntu 20.04 x64 LTS or later
Release 3.0.304 (2025/01/14):
Please follow the installation procedure