Once you have the setup.rul file, you can open it in any text editor. Here are three common modifications.
Do not simply rename .inx to .ism . This will corrupt the project. Always use the official Project Converter tool from Revenera. Installshield Setup Inx
Sometimes the IDE hides errors or presents vague warning messages. By reading the INX file, you can see exactly what commands are being executed. If you have a syntax error that the IDE isn't catching, a quick look at the raw script often reveals a missing semicolon or an undeclared variable. Once you have the setup
While Setup.exe greeted the user with a friendly "Welcome to the InstallShield Wizard," Once you have the setup.rul file
[Startup] AppName=My Application Version=5.0 CmdLine=/v"/qn"