Step 1: Download the plugin here.
Click on the Download plugin button and Firefox will prompt you to go to the next step.
Step 2: Select the Open file button.
This will help you get the plugin downloaded, and saved in your desired location.
Step 3: The next page will prompt you to Open or Save the file.
To add the plugin in Firefox, select the Open option.
Step 4: The file will now open.
Firefox will then prompt you for an installation location for the extension. Locate the place where you want to save it and select Install Now.
Step 5: You will then be asked to restart Firefox.
Once you restart, go to the location where you placed the plugin and you should find a Google Earth downloader folder with a Firefox icon.
Step 6: Click on the Firefox icon, and it will open the plugins window.
Click on the Activate Plugin button to activate the plugin. Now you can select the Plugins button and then click on the Google Earth Downloader menu.
Step 7: There you’ll have to pick where you want to download the Google Earth image, and what part of the world you are interested in.
Step 8: Click on the Google Earth Downloader menu and click on the Make a KML file of the current map section.
Step 9: The tool will automatically transfer the image to your desired location.
To see the newly downloaded Google Earth image, go to your Downloads folder in Windows Explorer and open the image file.
Step 10: Right click on the Google Earth Downloader tool and select the Internet shortcuts menu.
Click on the Open a new tab with icon to open up a new tab in Firefox that instantly has the downloaded KML file in it.