[Dante1995]

[Setup]
AppName=OpenWeb
AppVersion=OpenWeb
DefaultDirName=OpenWeb_Dante1995
OutputDir=.


[Run]
//---> Open Browser After Installation + Check Confirm
//Filename: "http://YourWebSite.it/"; Flags: shellexec runasoriginaluser postinstall; Description:Open WebSite.

//---> Open Browser After Installation (does not close the Set-up)
//Filename: "http://google.com/"; Flags: shellexec runasoriginaluser

[Code_]
//---> Open Browser After Installation
procedure CurStepChanged(CurStep: TSetupStep);
var
    ErrCode: integer;
begin
    if (CurStep=ssDone) then
    begin
        ShellExec('open', 'http://google.it/', '', '', SW_SHOW, ewNoWait, ErrCode);
    end;
end;