You need to login in to hosting account in order to use the CPanel hosting acccount control panel to manage your website.
Enter the URL address of your hosting account CPanel control panel (given in your login info email when you signup for your hosting account) in your web browser window. The URL address should be in the following format http://www.yourdomain.com:2082 or https://www.yourdomain.com:2083
Enter your login username and password in the popup login screen User Name and Password fields.
Click on OK button and you will then be login to your hosting account with CPanel control panel screen.