To prevent password expiration every 42 days: ¹⁾

passwords.bat

@echo off
wmic useraccount set PasswordExpires=false

To rename user from command prompt: ²⁾

wmic useraccount where name='currentname' rename newname

Using this command we can rename administrator account also. The below command changes the user name from ‘administrator’ to ‘admin.’

wmic useraccount where name='administrator' rename admin