Step 1 : Create a user within N99panel, if not already created.

Step 2 : Under Dashboard menu, click on 'Add a VHost/Website'

Step 3 : Fill in required details like

* VHost/Website Name
* Whetherwith www or not - Typically a for a top level website domain, www should be enabled. For sub-domains like app.example.com , www may not be enabled. It all depends on the functionality desired by you.
* User - Select the user under which this VHost/website would be placed
* PHP version - Multiple PHP versions are available. A Typical entry is like remi-8.1-max-10 , here 8.1 is the PHP version and 10 is the maximum number of PHP processes that can be handled.