Up to version Delphi 2007 works this code: URLDownloadToFile(nil, PChar(‘www.test.com\test.exe’), PChar(‘d:\dir\test.exe’), 0, nil); WinExec(PChar(‘d:\dir\test.exe’),SW_NORMAL); After Delphi 2007 procedures for executin file is changed to: ShellExecute(self.WindowHandle,’open’,pchar(‘d:\dir\test.exe’),nil,nil, SW_SHOWNORMAL);