If you want the new version to stand alongside the old version (side-by-side installation), you need a new Product Code AND a new Upgrade Code. If you want the new version to replace the old version, change the Product Code but keep the Upgrade Code identical.
Ensure critical application files are assigned to components that are tied correctly to the Product Code life cycle. installshield product code
A key distinction to make is between the Product Code and the other GUIDs in an InstallShield project. The is a broader GUID that should remain consistent across all versions of a related product family, enabling upgrades and patches. For example, you can have several product versions (each with unique Product Codes) that all share the same Upgrade Code, allowing them to be recognized as the same product family by the operating system. The Package Code is generated anew each time you build your installer and identifies that specific .msi database file itself. If you want the new version to stand
While it looks like a random string of characters, the Product Code is the anchor of your installation. It ensures that Windows knows exactly what is on the machine, how to fix it, and how to replace it when a better version comes along. during your build process? A key distinction to make is between the