The Digital Fingerprint: Understanding the InstallShield Product Code
: At runtime, the installer checks this code to determine if the product is already installed, which prevents duplicate entries or allows for maintenance mode (repair/uninstall).
Open your .msi file in an editor like Orca and locate the ProductCode property in the . Advanced Installer Comparison: Product Code vs. Upgrade Code
Here’s a draft you can use for documenting or referencing an in technical specifications, release notes, or internal guides.







