This article provides a script to remove SPSS from a Windows computer.  Prior to using these steps it  is recommended to attempt to remove SPSS by using the Add/Remove Programs Control Panel.

The script is suitable for removal of SPSS with version 6.0.6.9 or lower. This does not include unsupported version 5.1.x. The target platform is Microsoft SharePoint server 2013 or lower.

It is recommended to backup the registries before running the script. Details can be found under the attached document.