How to change your account name on the Windows 10 sign-in screen

[Windows Central]

If you don't want to reveal your full name on the sign-in screen of Windows 10, there are three different ways to change your account name.
On Windows 10, when using an account connected to a Microsoft account, you'll notice that your full name always appears on the sign-in screen. Although revealing the user's name in the sign-in screen is usually no a big deal, as it makes the experience more personal, some users may find this feature to be a privacy concern, especially for those using their devices in public.
While you won't find an option to stop showing your full name or use a nickname, a workaround to this limitation is to change your name in your Microsoft account ,which Windows 10 will then download automatically and use to display your account information in the sign-in screen.
In this Windows 10 guide, we walk you through three different ways to change your account name that appears on the sign-in screen, whether you use an account connected to a Microsoft account or a traditional local account, to make it a little more private.

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