Under a user account on CWP, Create MySQL Database from CWP under SQL Services –> MySQL Manager –> Create Database and User
Download the wordpress files from https://wordpress.org/download/and extract the file to your computer.
Then FTP them to public_html on the server using the users login details
Go to the domain you have for the user and it will prompt to setup wordpress, and enter the details for the SQL database you created
Database – full file path from mysql_manager
user – all up to [localhost]
Password – the password you created for the Database user
Server – localhost