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Changes
SPSS
,V22 update
This assumes you have the Site licensed version using an activation code as opposed to a license key.
==Version 21& 22==
IBM just gave us the exe file, so I ran it and it dumped the msi file along with the other install files into %temp%/{some random guid}. Copy that folder first and then cancel the installation.
Version 21 seems & 22 seem to activate SPSS for you so no need to run a separate activation, however of course if you are just updating the license you will need to run the activator. For version 22, just replace 21 with 22 (doh!). I also run the uninstall command to remove v21 first.
=== Unattended install with Activation code===