This article provides some help to set up a first database and create a new user on a new installation of XAMPP.
Create a new user with all-privileges and access to
% hosts and
In phpmyadmin, create your database
Modify config.inc.php file
Change user and add your password.
AllowNonPassword to false.
compress to true.
Restart Apache Servers
Back to phpmyadmin
Remove all other users privileges.