How to: Change icon in Inno Setup

1. Change the installer executable icon or the icon showed in Start Menu folder

    Using SetupIconFile

[Setup] 
SetupIconFile=MyFolderINF.ico

2. Change the icon displayed in Add/Remove Programs Control Panel

    Using UninstallDisplayIcon

  

[Setup]
UninstallDisplayIcon= {app}INF.ico

References: 

http://stackoverflow.com/questions/5170456/is-it-possible-to-change-the-uninstall-icon-in-inno-setup