Windows’ user account system is great, but sometimes it can be a little tricky to use. Changing the administrator account name, for example, isn’t as straightforward as just using the Settings app. You need to use a different app tucked into Windows for that. Here’s how to change the administrator name in Windows.
Read more: How to install Windows 11
Source : https://www.androidauthority.com/change-administrator-name-windows-3180515/