These downloads can also be used for minor updates of your purchased software (e.g. ver. 3.1 to ver. 3.2). For major new versions (e.g. ver. 3 to ver. 4, or after 12 months with XLStat) an upgrade must be purchased.

Software demo downloads

Please use the links below to download trial versions of our software. In most cases these allow you to use the fully working program for 30 days to test it out.


Circular statistics for Windows


Multivariate Statistics



Statistical add-in for Excel

  • XLSTAT (Windows only; 141Mb; limited to 30 days & 30 usages).
  • XLSTAT for the Mac OSX 10.6 and above. (50Mb; limited to 30 days & 30 usages).

Please note that the above installation file also contains all of the advanced modules. 


Provalis Research Prosuite

You can also download the individual programs, and their manuals, below.


General purpose statistical program

QDA Miner

Qualitative data analysis



Content Analysis add-in for Simstat and QDA Miner


Related Items

Accent Composer

Accent Composer - Windows keyboard utility


Population dynamics simulation

About KCS

Kovach Computing Services (KCS) was founded in 1993 by Dr. Warren Kovach. The company specializes in the development and marketing of inexpensive and easy-to-use statistical software for scientists, as well as in data analysis consulting.

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