You can use the SDK in both x86 and x64 versions of Windows.
' Create an instance of SWFToVideo ActiveX object Set converter = CreateObject("BytescoutSWFToVideo.SWFToVideo") ' Set debug log 'converter.SetLogFile "log.txt" ' Register SWFToVideo converter.RegistrationName = "demo" converter.RegistrationKey = "demo" ' Add SWF file and set its output filename converter.SetMovie "SlideShowWithEffects.swf", "result.avi" ' Set output movie dimensions converter.OutputWidth = 640 converter.OutputHeight = 480 ' Run conversion converter.RunAndWait ' Open result in default media player Set shell = CreateObject("WScript.Shell") shell.Run "result.avi", 1, false Set shell = Nothing Set converter = Nothing