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Download Free Siril May 2026

To ensure you have the most secure and up-to-date version, you should always Download Siril from the official website .

Siril covers the entire workflow from raw data to a finished celestial masterpiece: Downloads - Siril download siril

Siril is a premier, open-source astronomical image processing tool specifically designed to handle the rigorous demands of astrophotography. Originally created as a Linux-based alternative to IRIS (hence the name ), it has evolved into a powerhouse for Windows, macOS, and Linux users seeking professional-grade stacking and post-processing without the price tag of commercial software. How to Download Siril To ensure you have the most secure and

As of early 2026, the current stable release is Siril 1.4.3 (released May 7, 2026). Stable versions use even numbers (e.g., 1.0, 1.2, 1.4). Operating Systems: How to Download Siril As of early 2026,

Provided as a DMG disk image for both Intel and Apple Silicon (M1/M2/M3) chips.

Available as a 64-bit installer, a portable ZIP (no installation required), or via the Microsoft Store .

Most users prefer the Flatpak version on Flathub or installing via native package managers (e.g., sudo apt install siril for Ubuntu/Debian). Key Features for Astrophotographers