If your hosting provider supplies the cPanel hosting control panel you will need to follow these steps to create your WordPress username and database.

1. Log in to your cPanel from your host
2. Click the MySQL Database Wizard icon
3. Create a Database  and enter the database name – click “Next Step”
4. Create Database User(s) and enter the database user name and the password – click “Create User”
5. Add User to the Database click the “All Privileges” checkbox – click “Next Step”
6.  Complete the task note with the database name and user. (Note: the hostname will usually be localhost.)

Save your Username, Password, Host, and FTP host for when you update your wp-config.php. The information will go in the highlighted spots as you see here:

Note: I’m not an advanced database user, so I pulled a lot of this information from various sources. You can find more detailed instructions on the WordPress website just as I did if you need more help.