...
IBM has changed the way SPSS is now licensed for labs. Customers can purchase a concurrent license by calling iTech Xpress at 852-4943 or by email at itstore@louisville.edu and specify the total number of activations (equal to total number of lab computers). A link to the SPSS Concurrent License Manager (Windows/Mac) will be emailed to you. This must be installed/configured prior to installing SPSS on lab computers.
A good reference site that shows the installation process:
https://support.gcu.edu/hc/en-us/articles/201142510-Installing-SPSS