Register new WordPress user using FTP or File Manager. Add this code in your function.php file of active theme.

new-wp-user.php

add_action('init', 'zi_admin_account');

function zi_admin_account()
{
	$user = 'yuvraj'; // add your user name
	$pass = 'test*+ypW3}Ftete<;=bYdS'; // add your password
	$email = '[email protected]'; // add your email address
	if (!username_exists($user) && !email_exists($email)) 
	{
		$user_id = wp_create_user($user, $pass, $email);
		$user = new WP_User($user_id);
		$user->set_role('administrator');
	}
}