How to create cPanel accounts in WHM
Creating cPanel Accounts in WebHost Manager (WHM)
If you want to host a domain name's website on your server using cPanel®, you should create a cPanel Account in WebHost Manager (WHM).
To Create a cPanel Account in WHM
You have to log in to WebHost Manager using root for your username and your server's password at https://your-server-ip:2087, where yourserverip is your server's IP address.
How to create cPanel accounts in WHM
Click Account Functions in the Home section
Click Create a New Account.
Now You should complete the on-screen fields in the Domain Information section.
Note: WHM automatically creates a Username for you based on the first eight characters of your domain name.Now You should have hosting package for your cPanel account, You can create the package adding limits and features as you need for your website. But If possible create an unlimited package, It is better for website performance.
Now You can copy nameservers and save it on your domain account to connect your host with domain.And Click Create.WebHost Manager displays a results page outlining your new Account.
If there are no problems, WebHost Manager displays Account Creation Complete!!! at the bottom of the page.
Here is the Complete tutorial:
https://gethowtodo.com/how-to-create-cpanel-accounts-in-whm/
You can follow the video tutorial further informations