Advanced UI and Suite/Advanced UI installations are bootstrap applications that package together installations and InstallShield prerequisites as a single installation while providing a unified, fully customizable user interface. They use a setup launcher (Setup.exe) to conditionally launch packages on target systems as needed.

You can add msi/ism/pre-requisite as package to your main Suite application.

Say the added msi has minor upgrade to get installed. Wondering why it is not working by default, here is the solution:

• Add the required msi package to your package with the required settings
• On clicking Package, you would be able to see a list of package settings
• There will be an option called Minor Upgrade Handling  which will be set to None by default
• You can set the same to Automatic if you want minor updates to happen if configured
• It can also be set to Ask the User if you want user to select this handling.