Log in Via cPanel
To login to your WordPress installation, start by logging into your Client Area and clicking the cPanel link in the menu
Click My Apps to view your installed applications.

When you locate the WordPress site in the list of applications, then you can click the "login" link there to log into your Wordpress dashboard.
Log in Via Wordpress Login Page
You can also login to your WordPress install directly by typing in the website URL with /wp-admin - i.e. https://mysite.com/wp-admin.
You'd then enter your username and password for the application that you created at the time of installation. If you’re not sure what that is or you’d like to reset either of them see Finding your WordPress Password.