PS: – There is no Information Bar (aka Gold Bar) in Platform Preview. As a result, downloads initiated by script will not function. Files can be downloaded using the “Save Target As…” in the right-click context menu, by clicking on hyperlinks to files, and by typing a download URL in the Open dialog (Ctrl+O).
To open a webpage Select Open from the Page menu or type Ctrl+O.The Open Web Page dialog box will always show the URL of the current page.Enter the Internet address (URL) of the Web page to which you wish to navigate
You may Use following link to download IE 9 Platform/Developer Preview version:-