I have installed xampp 5.6.14 on windows. I open phpmyadmin http://localhost/phpmyadmin/
but warning
! The phpMyAdmin configuration storage is not
First in phpMyAdmin go to users -> search the user "root" and host "localhost". then select option -> edit privileges after that go to -> change password set your password for root there.
then go to
xampp folder -> phpmyadmin -> config.inc.php
change config to cookie.
and password to your new password.
$cfg['Servers'][$i]['auth_type'] = 'config'; ----> cookie
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = ''; -----> new password(what you set for user root)