Past 4 - the Past of the Future

Image may contain: Orange, Chambered nautilus, Sea snail, Nautilus, Clip art.Past is free software for scientific data analysis, with functions for data manipulation, plotting, univariate and multivariate statistics, ecological analysis, time series and spatial analysis, morphometrics and stratigraphy.

Past went through a complete redesign with version 3 in 2013. In 2020, version 4 was released with 64-bit support.

Past works under Windows 11, 10, 8 and 7, and Mac OSX Catalina, Mojave, High Sierra, Sierra.

Current version (June 2022): 4.11



Version 4.11, 64-bit Windows (9 MB)
Firefox may cause problems with the download, use Chrome. To use the Open Street Map function, you need to install Webview2 from Microsoft.

Version 4.09, 32-bit Windows (7 MB)

Version 4.04, 64-bit Windows (8 MB)

Mac, version 4.11, click button below.

Download on the App Store

Manual (PDF, 8 MB)


Professor Øyvind Hammer
Natural History Museum – University of Oslo