How to change your Gmail display name without changing your email address

You might want to change your Gmail name but keep your original email address. Here's how to do it through your settings.

How to change your account username on a Windows 10 computer without getting lost in menus

To change your account name on a Windows 10 computer, you'll need to go through your User Accounts menu. Here's how to do it.
Ars Technica

If I change the "Administrator" name in 2k3 will I lose everything on that account?

I lost my fileserver OS last week and started from scratch a few days ago. Just for kicks, ultimately, I wonder if I can go back now and change that account name without messing up everything I have ...