If SPSS asks for a server IP address instead of launching, the local license file is missing or corrupted. Close SPSS. Go to the SPSS installation directory in Finder.
: Ensure your Mac has at least 4GB of RAM (8GB is recommended for 64-bit platforms) and is running a compatible macOS version (typically High Sierra 10.13 or newer for v27/v28). spss 27 mac verified