Formas de alterar o nome de usuário da conta no Windows 10
Existem 6 maneiras diferentes de concluir isso, conforme indicado na Windows 10: Alterar nome de usuário da conta no Windows 10 postar, mas mencionarei um daqueles que devem funcionar bem em todas as versões do Windows 10 se Início , Pro , Empresa , etc., mas veja essa postagem para outras maneiras de fazer isso.
To Change Name of a Local Account in netplwiz
Press the Win+R keys to open the Run dialog, type netplwiz into Run, and click/tap on OK to open netplwiz.
Check the Users must enter a user name and password to use this computer box, select the local account you want to change the name of, and click/tap on the Properties button. (see screenshot below)
In the General tab, type the new User name (ex: "Brink3") you want for the local account, and click/tap on OK. (see screenshot below)
If you wanted to have Windows automatically sign in to an account at startup, then you will need to set this up again now.
When finished, click/tap on OK. (see screenshot below)
If you are currently signed in to this local account, click/tap on Yes to sign out and apply your changes.
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