Prism Updates

The latest Prism version is 8.1.2 (Windows and Mac).

How to Update to Prism 8


Update for free by downloading the Prism 8 installer for your system (instructions):

Windows 64-bit | Windows 32-bit | Mac

Perpetual Customers

Contact us at to learn about upgrade options.

Latest Prism Releases

Prism 8.1.2

May 28, 2019

This release fixes multiple issues in Prism 8.1.1, including fixing 'multiple comparisons' results in Two-way ANOVA when entering data as SD/SEM/CV and N. See full list

Prism 8.1.1

April 25, 2019

This release fixes multiple issues in Prism 8.1.0, including fixing 'multiple comparisons' results when comparing cell means in Two-way ordinary balanced ANOVA. See full list

Prism 8.1.0

April 3, 2019

Introducing new features, performance improvements and bug fixes for Prism 8, including:

  • New (and useful!) color schemes, including a color-blind safe palette. Learn more ›
  • Automatic color selection for annotations and labels for better contrast in graphs.
  • Correlation matrix analysis now generates a heatmap of R2 values.
  • Option to calculate profile likelihood CIs with ambiguous fits.
  • "Dunnett T3" test to compare the mean of each column with the mean of every other column after nonparametric one-way ANOVA.
  • Improved scatterplot appearance.

See full list

Prism 8.0.2

February 6, 2019

This release includes over 80 bug fixes for Prism 8, including performance and stability improvements. See full list

Prism 8.0.1

December 5, 2018

This release includes over 50 bug fixes for Prism 8, including performance and stability improvements. See full list

Prism 8.0.0

October 16, 2018

Prism 8 introduces brand new ways to organize, analyze, and graph your data, all while making the process easier and more intuitive. Powerful new analyses and graph styles provide more ways than ever to process and present your data, while familiar features have received comprehensive improvements to enhance and streamline your work. Despite all the changes, Prism is still Prism so you can be productive right away.


  • Mixed effects model for analysis of repeated measures ANOVA with missing data.
  • Multiple Variables Data Table for Multiple Linear Regression Analysis.
  • Nested Data Table for Nested t test and Nested One-way ANOVA (Mixed Effects Model).
  • Violin Plots for data distribution visualization.
  • Grouped graphs that show both bars and individual points.
  • Draw lines or brackets with centered text. Ideal for placing significance asterisks.
  • More normality tests and plotting.
  • More comprehensive options for one-, two- and three-way ANOVA.
  • Graph customization and annotation options
  • And much more!

Browse the User Guide »

Release notes

Prism 7.05/e

August 27, 2018

  • Improved the algorithm used by the Dunnett test when the sample sizes are unequal.
  • Fixed bug in some results of the test for linear trend following repeated measures one-way ANOVA.
  • Improved auto-recovering feature so that Prism does not crash when opening slightly damaged Prism files.
  • Update notifications to stay up-to-date.
  • Support for seamless subscription renewals without requiring reactivation.
  • And many other bugs fixes.

Release notes: Windows, Mac