This is available now. Go to Help, about, and see if the top number is
1.1.1347.0
If it is not, go to the download center and download Windows Defender--run
the download to update. You will need to check your Spynet setting after
the update if you desire more than basic. Once you have updated, go to
Tools, Options, and scroll down to real-time protection options to see the
checkbox (near the end of that frame) for the icon display.