The Google-Earth browser plug-in may not be available for your web browser. As an alternative you can download and install the free Firefox browser here.

If this page appears as a stand-alone web page rather than a pop-up window in your browser you probably have Javascript disabled. Somewhere in the options menu for your browser there is a setting to enable Javascript. Javascript enables web pages to act more like the usual software applications installed on your computer without constantly loading new pages from the internet. Your browser interprets the Javascript it loads from the internet and does not allow any inappropriate or malicious access to your computer.