Website installer

Could not connect to the database. On XAMPP: start MySQL in the Control Panel. On hosting: enter the database details below. (SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: NO))

Enter the database you created in cPanel → MySQL® Databases (create a database, a user, and "Add user to database" with ALL PRIVILEGES). On cPanel the names usually start with your account name, e.g. myacc_shop.