The v21 release introduced several enhancements designed to streamline the research workflow from data collection to reporting:
If you are using v21 exclusively for AMOS, consider that modern versions (v28+) offer and Python 3.9 support, which v21 lacks (v21 uses Python 2.7 – deprecated and insecure). However, the visual AMOS interface has barely changed since v21. The "exclusive" feel of AMOS is now standard in the SPSS Premium edition. ibm spss statistics v21 x32bit x64bit and amos exclusive
The software is available in both and 64-bit versions for Windows. The v21 release introduced several enhancements designed to