Open Windows Explorer (windows key + E). Scroll to, program files / Internet explorer.In the folder you will see the Iexplorer.exe icon.Just drag the icon onto the quick launch and it will put a shortcut there
Adding shortcuts into Quick Launch bar is pretty easy. Simply drag and drop a shortcut into Quick Launch bar and then icon of the shortcut will immediately appear on the Quick Launch bar location.
Alternatively, users can open up Quick Launch folder by right click on the empty space (around border area which does not hold any icons) in Quick Launch bar, and then choose Open Folder. Or simply open Windows Explorer, and navigate to the following folder (for Windows Vista):