View your site then edit the page from there

Once you are logged into your site, you will be able to view it from the same perspective as non-logged in visitors but you will see some additional features when you visit your site and are logged in as an administrator:

To view your site when you are logged in as an administrator click the link on the top left of your admin page (usually your website title but could just say view site)

Introduction to the WordPress Admin Bar

 

The Admin Tool bar lets you quickly navigate to edit a page or other areas on your dashboard.