Reference: InstallShield Upgrade Considerations documentation
Additionally, change the code if you change the name of the executable file, modify the installation architecture (e.g., switching from 32-bit to 64-bit), or change the product language. How to Find and Modify the Product Code in InstallShield
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
Are you setting up a , Minor Upgrade , or a completely new product deployment ? installshield product code
If this command fails, verify the GUID by checking the Windows Registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall .
// Get product code at runtime szProductCode = MsiGetProductCode(MY_PRODUCT_NAME);
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Why the Product Code Matters 1
If an application is already installed on a machine, administrators or users can find the Product Code using several methods. Method 1: Using PowerShell
In InstallShield, you can set the Product Code to * or use the "Generate New GUID" button. For Major Upgrades, always ensure a new GUID is generated.
: It distinguishes your product from every other software application in the world. // Get product code at runtime szProductCode =
What are you using in InstallShield (Basic MSI, InstallScript, or Suite/Advanced UI)?
Never change a Product Code mid-release. Once a version is "in the wild," that GUID is locked to that version forever.
It uses a standard GUID format, which consists of 32 hexadecimal digits separated by hyphens (e.g., 12345678-ABCD-1234-ABCD-123456789ABC ).