Installshield Product Code [portable] Instant

: The name shown to the user during installation.

The Product Code is a 128-bit hexadecimal string enclosed in curly braces (e.g., 50EFC3E0-8AF8-11D4-94C7-00E09876D9C4 ). Its primary functions include: Flexera Community Uniqueness installshield product code

: Changing version without changing Product Code (or using a proper minor upgrade table) breaks servicing. : The name shown to the user during installation

by passing the new GUID as a property, though it is often easier to use the InstallShield Automation Interface to script these changes. Best Practices for Your Build Don't Change It for Minor Updates by passing the new GUID as a property,

The AutoGUID feature ensures that every release of an application maintains a consistent identity for servicing (updates) or correctly generates a new identity for major upgrades, eliminating "duplicate installation" errors and ensuring clean upgrade paths.

: When performing a "Major Upgrade," the installer uses the new Product Code to signal that it is a distinct, newer release that should replace the existing one.