Installshield Product Code Jun 2026

Product Code InstallShield is a unique GUID (Globally Unique Identifier) that acts as the "fingerprint" for a specific version of your application. Changing it is the primary way Windows Installer identifies a Major Upgrade vs. a minor update.

Maintaining a Product Code is critical for maintenance (patches), while changing it is necessary for significant transitions. Change the Product Code when:

Increase the product version and change the Product Code to configure a Major Upgrade. Alternatively, manually uninstall the existing version via the Windows Control Panel before running the new installer. 2. Orphaned Applications After Major Upgrade installshield product code

The Product Code is a that serves as the primary identifier for a specific software product on a user's machine.

The following is a typical workflow for creating a major upgrade package that can detect and remove a previous version: Product Code InstallShield is a unique GUID (Globally

Every software package created with InstallShield is assigned a , which is a 128-bit number known as a Globally Unique Identifier (GUID) . It looks like a long string of letters and numbers inside curly braces: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX .

Understanding the InstallShield Product Code: A Complete Guide for Developers Maintaining a Product Code is critical for maintenance

One of the most common mistakes is confusing the Product Code with the Upgrade Code. Upgrade Code: