When you log in to Windows 10, your email address and possibly your picture is visible to anyone with physical access to your computer. If you'd rather that not happen, this handy tool can help.
Screenshot by How-To Geek.
As tech tips site How-To Geek explains, Windows 10 displays some of your information by default on the basic login screen. In order to hide this, you can manually edit the registry to add a couple of lines that will obscure your info.
However, if you want the easy way, they have put together a handy tool to do it for you. You can read about the process at the How-To Geek below.