IBM released SPSS Statistics 21 during late August. Software Store customers with active SPSS subscriptions qualify for a free upgrade to SPSS 21. The Software Store distributed free downloads to eligible customers on September 16th.
SPSS subscriptions include:
•IBM SPSS Statistics Base
•IBM SPSS Advanced Statistics
•IBM SPSS Regression
•IBM® SPSS® Custom Tables
•IBM® SPSS® Data Preparation
•IBM® SPSS® Missing Values
•IBM® SPSS® Forecasting
•IBM® SPSS® Decision Trees
•IBM® SPSS® Direct Marketing
•IBM® SPSS® Complex Samples
•IBM® SPSS® Conjoint
•IBM® SPSS® Neural Networks
•IBM® SPSS® Bootstrapping
•IBM® SPSS® Categories
•IBM® SPSS® Exact Tests
•IBM® SPSS® Visualization Designer
•IBM® SPSS® SamplePower®
•IBM SPSS Amos
SPSS subscribers save over $7,000 per computer per year (i.e. 99%) by purchasing SPSS through the Vanderbilt Software Store rather than directly through IBM.