How to check if a Product is installed from launch condition of msi?
Solution 1:
You should be able to have checks for certain conditions, i.e. registry or file exists.
Here is some documentation on condition types:
https://docs.revenera.com/installshield19helplib/helplibrary/SteConditionCheckTypes.htm#BuildingConditionalStatements_547774590_1033839
https://docs.revenera.com/installshield19helplib/helplibrary/SteConMSI.htm