Your browser probably has an old page cached. In Internet Explorer, click Tools...Internet Options and then click the SETTINGS button and set the top most radio button (Every visit...) and this will always check for the latest page if one changed. You can also press CTRL (or SHIFT) and click the Refresh/Reload button on the IE toolbar to force a page refresh.
Click here for the direct download link then double-click the installer to begin your web installation. Or click here for the single file download.