Please note that no other SPSS release will be officially supported on High Sierra, but older versions like SPSS Statistics 24 may run as well on High Sierra. D) Apple Macintosh MacOS High Sierra (10.13)
Please note that no other SPSS releases will be officially supported on Mojave, but older versions like SPSS Statistics 24 may run as well on 10.14 OSX.
Support for IBM SPSS Statistics 25, it's Fixpacks and upcoming SPSS Statistics main releases.