Installshield Product Code Now

Navigate to the section in the left-hand pane. Click on General Information .

Maintain a "Build Map" that logs which Product Code corresponds to which version number. This is invaluable for troubleshooting customer logs.

In InstallShield, this code is set at the project level. It ensures that the system can distinguish your app from every other piece of software installed on the machine. Product Code vs. Upgrade Code installshield product code

Unique to a specific "edition" or version of the program.

When you run a command like msiexec /x ProductCode , Windows looks up that specific GUID in its registry to find the cached .msi file and execute the removal. Without the correct code, you cannot programmatically uninstall or repair a specific build. 2. Preventing "Double Installations" Navigate to the section in the left-hand pane

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.

Never change a Product Code mid-release. Once a version is "in the wild," that GUID is locked to that version forever. This is invaluable for troubleshooting customer logs

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