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A Beta version of the software is now available for download here:

Download Beta Version (1.1.5) of IMPACCT software (27.4 MB).

Once you have downloaded the zip file, unzip the MSI file, run it and then follow the on-screen instructions to install the software.
(Please uninstall any previous versions of IMPACCT before installing the new version)

Please note that this is a Beta version that is still being developed and therefore it is relatively untested, so it will contain bugs and errors. Additionally the data it contains are still under development, therefore the outputs should not be used as a basis for any decisions.

A video demonstration is included within the software (under the Help menu) as a guide to help you understand how to use the software. To access these files directly, click here.

Please report any bugs or errors you experience to When reporting bugs and errors please provide as much detail as possible about what you were doing when you experienced the problem, e.g. on what screen, which buttons pressed, what data entered, error numbers displayed, etc. We would also welcome more general comments and feedback on the software to help us develop it in the future. A number of known issues have already been identified and are listed here - Known Issues.

University of Hertfordshire, 2009.