Use your site address if you just want to go in through the browser to look at it. You should have recieved information about your site address in your email. If you did not then you will find it in the part where you log in here.
If you want to get to where you can edit it, look at the top of the page. Stick tells you how to get started in editing.
Besure and read the beginner's or free page info. It is very informative. T