Keep this constant. It links all versions of your software together. Product Code: Change this when you are performing a Major Upgrade How to Change the Product Code in InstallShield
, which automatically handles the uninstallation of the old version and a clean install of the new one—all without the user needing to manually touch the Control Panel. Pro Tip: Automation If you’re using a CI/CD pipeline, consider using the InstallShield Automation Interface installshield product code