It is important to understand the licensing implications of using a portable version of SPSS. A genuine single‑user license for IBM SPSS Statistics version 19 permits installation on up to two computers (both used by the same person). It does permit redistribution of the software in a portable format or circumvention of the license activation mechanism.
For long-time users, V19 represents the peak of the classic SPSS experience. It retains the dual-view interface (Data View and Variable View) that makes data cleaning and management intuitive. If you learned statistics in a university setting between 1995 and 2015, this is the interface you know by heart. IBM SPSS Statistics V19.0.0.329 Portable
Legacy software does not receive security patches. Discovered vulnerabilities in the V19 codebase remain permanently unpatched, leaving your system exposed. Modern and Secure Alternatives It is important to understand the licensing implications