Step 1: Open the online scanner and wait while the Java Applet is loaded

Note: You may be shown a dialog box asking for permission to run; You must accept this in order to run the scan.

Step 2: Check that the 'Display only insecure programs' option (New) is checked

Step 3: Click the "Start" button when it turns to the blue color you see shown above

Step 4: Click the "Stop" button if any error should occur or if you need to do something else.

Note: you will see the java animation running while the scan is in progress.

And...

An additional note: You will see a dialog box open to tell you when the scan is completed, and you will be invited to be reminded via email when it is time for your next scan. You can do this or not at your discretion.