Download: IEEmbeddedVersioning.zip  and run: IE_EmbeddedHTML5Example.au3 When you end checking this example..... then try  to use:     _IE_EmbeddedSetBrowserEmulation() in your own script like this was used in IE_EmbeddedHTML5Example.au3 #include "IE_EmbeddedVersioning.au3" #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #include <IE.au3> Example() Global $g_iWidth = @DesktopWidth, $g_iHeight = @DesktopH