Download of Sirius 8.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
The most frequent installation filenames for the program are: Sirius.exe, IDE.exe, STest.exe, Starter.exe and SSIRIUS.exe etc. This software is a product of Pattern Recognition Systems AS. Sirius is included in Photo & Graphics Tools. This PC software was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems. The most popular versions of the program are 8.1, 8.0 and 5.1.
From the developer:
Sirius is a powerful and efficient application for multivariate analysis that covers all the central methods within multivariate exploratory analysis, classification/discrimination and calibration/response modeling. Experimental design is also supported.
You may want to check out more software, such as My Sirius Studio, A Sirius Game or SuperWave Sirius, which might be similar to Sirius.