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Pilgrim

Uninstall previous version in the beginning of the new version installation

Can any one show me how to uninstall a previous installed version in the beginning of the new version installation?
I like to uninstall the previous version in the same installation of the new version without exiting.
I'm using InstallShield 2012 for my installer.
Thanks in advance.
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Pilgrim

RemoveExistingProducts action

You should author a major upgrade and schedule the RemoveExisting products action in the correct place.

Barbara
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