Installshield Product Code

Version 1.0 (Product Code A ) is installed. You develop Version 2.0. You generate a new Product Code ( B ), keep the same Upgrade Code, and configure an "Upgrade" table. Windows Installer automatically detects A , removes it silently, and installs B . The user sees only one entry in Control Panel.

The Product Code is the primary mechanism Windows Installer uses to manage the lifecycle of your software. Using it correctly offers several benefits:

: He carefully configured the Upgrade Table to recognize the old Product Code as a target for removal.

It is common to confuse these two, but they serve very different roles: installshield product code

To understand the Product Code, it must be differentiated from other standard identifiers used in InstallShield projects Identifier Frequency of Change Product Code Identifies a specific version/flavor of a product. Change for major upgrades. Package Code Identifies a specific file/build. Change for every single build Upgrade Code Identifies the general "product family." Keep the same across all versions to allow upgrades. When to Change the Product Code

Managing when to change the Product Code is the most critical aspect of release management.

32-bit and 64-bit versions of the same application must always have different Product Codes. How to Find or Set the Product Code Version 1

Deciding when to change or keep your Product Code is critical for update management. When to Keep the Product Code

In your InstallShield project, go to the tab. Navigate to General Information under "Organization."

Changes with Major Upgrades; stays the same for Minor Upgrades and Hotfixes. Identifies a whole family of related products. Windows Installer automatically detects A , removes it

In the world of Windows software deployment, few identifiers are as critical—or as frequently misunderstood—as the . Whether you are a seasoned setup developer or a beginner packaging your first application, understanding the Product Code is not just a technical necessity; it is the foundation of reliable installations, seamless upgrades, and clean uninstalls.

You must not change the Product Code for a patch targeting an existing version. The patch is designed to update a product in place.