Go to https://softwarerep.ukzn.ac.za. You will be asked for your UKZN lan login. Go to Academic Software and choose SPSS from the drop down menu
There is a guide to installing SPSS with the license code etc included in the software library. Download and use it when installing.
Basic offical guide to SPSS
All queries to be directed to Learn@ukn.ac.za
Note you need to be connected to Global Protect to use SPSS. Only SPSS requires you to be connected to GP, no other software programmes.