RPI3 Start Up Noob Question

Ok so far i downloaded the image on rpi3 put in the user/pass outernet . How do i access the librarian i am just stuck on cmd .I did try the command librarian but it did not work i got an error. Any help would be great thanks

Have you connected to the Outernet hotspot that the Pi3 creates?

No but i just did xD Thank you ^^