- Log into root WHM.
- In the search bar at the top left of the screen, search keyword "create" and click Create a New Account.
- Fill in the new account information.
- Under Reseller Settings, check Make the account a Reseller.
- (Optional) You can check Make the account own itself so the owner can modify the account.
- Click Create.
Your reseller customer will now be able to access theirdomain.com/whm and login with the cPanel username and password you just created.