How to Change the default Setup Icon to my Own Icon. in C#.net

You can use Visual Studio to change the setup.exe icon. Take the following steps.

1.       Build your setup project

2.       Open the setup.exe file use just build, File -> Open -> File

3.       Right click the Icon node in the file explorer window and choose the Add Resource

4.       Import the icon your want in the popup dialog, and make sure the ID of the icon is the smallest one.