Students and staff members can download SPSS to their home computers from https://metrodvd.edu.metropolia.fi/SPSS
The page requires logging in with a Metropolia username (notice, the short form, NOT email address).
Windows installers are in the win folder and Mac OS X installers are in the mac folder.
Detailed installation instructions and license information can be found (after logging in) at https://wiki.metropolia.fi/display/itservices/IBM+SPSS+Statistics+Installation+Instructions+for+Home+Computers.