Installshield Product Code |work| Link

Moving to a significant new version (e.g., v1.0 to v2.0). A new Product Code signals the installer to run the upgrade logic, uninstalling the old version before placing the new one.

| Upgrade Type | Package Code | Product Version | | Upgrade Code | Example | | :--- | :--- | :--- | :--- | :--- | :--- | | Small Update | New | Same | Unchanged | Unchanged | A critical hotfix to fix a single bug. | | Minor Upgrade | New | Increased (e.g., 2.0 to 2.1) | Unchanged | Unchanged | A service pack with minor new features. | | Major Upgrade | New | Increased (e.g., 2.x to 3.0) | New | Unchanged | A full new version with major changes. | installshield product code