In this article I willexplain how to add new users in Microsoft SharePoint Office 365.
Open the following URL using your trial account username and password. https://portal.office.com Click menu icon, then Admin category. The following admin dashboard page will open. Click Active Users under USERS menu item in the left navigation. The following screen will appear. Click new menu. The following popup will appear. Enter the details for new user account. Click Create button. New user will be created. Summary In this article we saw how to add new users in Microsoft SharePoint Office 365 Central Administration.
SharePoint Framework (SPFx) A Developers Guide