System Delphi

Title: Showing Windows default About box (for beginners)
Question: How I can show Windows About box
Answer:
Include the unit ShellAPI in the uses clause.
{
the ShellAbout calls the default Windows about box, with the application
title and you name/copyright...
}
// to call ShellAbout and show your own application icon, use this
ShellAbout(Handle, 'Your Application Name', 'Your Name', Application.Icon.Handle);
or
ShellAbout(Handle, 'Your Application Name', 'Your Name', Image1.Picture.Icon.Handle);
// to show the default Windows icon, call ShellAbout like this line of code
ShellAbout(Handle, 'Your Application Name', 'Your Name', 0);