Installshield Product Code |link| Info

: Every version of your product should have its own unique Product Code. If you change the code, Windows Installer treats it as a completely different product.

Managing your Product Code is straightforward within the InstallShield IDE: Locate the Code : Open your project and navigate to General Information Product Properties . You will see the Product Code field here. Generate a New One installshield product code

The second install will fail with a message that the product is already installed, or it will trigger a self-repair. Fix: If you need multiple builds (e.g., Developer vs. Production), you must either use different Product Codes or use instance transforms (MSI). : Every version of your product should have

Disclaimer: Always test your upgrade paths thoroughly in a clean virtual machine environment before deploying to end users. You will see the Product Code field here

Remains the same across all versions of a product. It acts as the "family name" that allows a new installer to find and replace an older version. Why the Product Code Matters 1. Handling Maintenance and Uninstalls