How to create a Windows 10 account with a custom name using your Microsoft account

[Windows Central]

Windows 10 uses part of your Microsoft account address as your profile folder and internal account name. Here's how to use a custom name.
When you're creating a new account using a Microsoft account (MSA), Windows 10 uses the first five letters of your email address as the internal account name, which will be reflected in the profile folder name and when managing user accounts via command line.
Although this may not be a concern for most users, many people find this annoying because of the fact that Windows 10 doesn't provide an option to use a custom name.
However, if you want to use your real name, or a nickname, as your profile folder and internal account name, there is a workaround that allows you to set up an account with a custom name when using your Microsoft account information.

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