Previous Version (v3.2.5)

This page provides the download links, installation instructions, and documentation for the previous release of Aracne (Version 3.2.5 / 3.2.0). For the latest release (Version 4.3.15, compiled with MATLAB® R2026a for Windows and macOS), please visit the Installation page.

1. Download Aracne v3.2.5

Version 3.2.0 of the software was released in 2025 and can also be found at the Aracne Project on the web page of the Museo Nacional del Prado.

Version 3.2.5 (released in April 2026) solved several known issues and introduced improvements over 3.2.0, including:

• Improved image pre-processing to further remove noise.
• Smaller processing window (under the 1 cm side of version 3.2.0), improving spatial resolution.
• Automatic handling of alpha or transparency channels in grayscale images.

• Download Aracne v3.2.5 for Microsoft Windows
• Download Aracne v3.2.0 User Manual (PDF)
• Download Sample Test Image (testImage.tif)

2. Installation (Version 3.2.5)

1. Download and install the MATLAB® Compiler Runtime (MCR) for Microsoft Windows (R2020b) / R2022b.
2. Download Aracne v3.2.5 for Microsoft Windows and move Aracne.exe into any folder (e.g., your Applications folder).
3. Double-click Aracne.exe to run the software.