Theming

Adjust the templates and styles in the Site Editor.

Add Users

Open Users > Add New User to create new users

Add Pages

Open Pages > Add New Page to create any missing pages like Terms and Conditions, Privacy Policy, Contact Us, etc.

Bulk-Import Posts

Open Post Management to add posts via the API-driven importer.

Edit Content and add comments

You as the admin (and depending on the user role even others who have access to the site) can always modify the content in real-time from the frontend.