Use automation scripts or build tools (such as IsCmdBld.exe) to dynamically change package and product codes during your continuous integration (CI/CD) build cycles when preparing major releases.
If users should install over the old version and keep settings → keep Product Code (use minor upgrade/patch). installshield product code
The InstallShield product code is a small but mighty piece of your installation project. It is the fundamental key that unlocks the Windows Installer's ability to manage, maintain, and update your application. By understanding its role, where to find it, and the strict rules for when and how to change it, you are well on your way to creating robust, professional installation packages that your users can rely on. Use automation scripts or build tools (such as IsCmdBld