Then click the Settings button to open the contextually appropriate settings overlay.
You'll also find page settings under the Customize menu when you're navigating your site at the page level.
In the Basics tab, you'll be able to name the page, add Meta Description and Meta Keywords, choose the representative (featured) image, and the custom URL for the page.
In the Security & Sharing tab, you can set the page’s Visibility and Access. If you'd like to password protect the page, you can create the password here as well.