1. phpMyAdmin file under the config.sample.inc.php copy renamed config.inc.php
By default user name is root
Password is empty
You will be able to log in directly
I changed a few lines of code,
Testing is able to log in with root 123456
empty root password can log
//$cfg['Servers'][$i]['host'] = 'localhost';
$cfg['Servers'][$i]['compress'] = false;
$cfg['Servers'][$i]['AllowNoPassword'] = true;
$cfg['Servers'][$i]['host'] = '127.0.0.1';
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = '123456';