Ho to install wordpress using one click installer available in CPanel.
Login to CPanel
-> look for softaculous option and open it.
-> Select wordpress
-> Input required fields and also make sure that your value in subdirectory input is removed (default it is "wp") to install wordpress in root domain.
-> Done
Go through detailed article at https://techjaison.com/how-to-add-multiple-domain-in-single-hosting-domain/
Also check video here
Special Thanks to TechJaison