WordPress with XAMPP

https://make.www.ads-software.com/core/handbook/tutorials/installing-a-local-server/xampp/

i have already installed XAMPP and it works. doesn‘t work to set up wordpress after. I recive ?error establishing a database connection…“

“Error establishing a database connection” means that there is a problem with the connection to your database :
– a problem with the credentials stored in the wp-config.php file not matching what mysql expects.
– Try reviewing the following codex for some guidance: https://codex.www.ads-software.com/Common_WordPress_Errors#Error_Establishing_Database_Connection
– Also review this tutorial: https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-error-establishing-a-database-connection-in-wordpress/