Usage basics of your hosting account.
Here are some basics procedures and steps to use your cPanel (control panel) account.
Username and Password are stated in the welcome email you received with your account activation. They're used to access your FTP and website Cpanel (control panel).
To access your website control panel (cPanel) you can login into it using http://www.your_domain.com:2082
or
https://www.your_domain.com:2083 (secure)
You can upload your files you want to make web accessible to the "public_html" directory in your account using file manager from cPanel menu. DO NOT delete files that have been created by the system or your account may cease to work!
If you have any questions you can always open support ticket here.