Create a New Page - WordPress
From Help Wiki
Working with Pages
Adding a new page
From the Pages left-hand menu choose Add New Enter the page title (directly under Edit Page) Click Update to save your changes
Editing a page
Navigate to the page you want to update Click the Edit Page link in the admin topbar Make your changes and click Update to save
Navigation and new pages
All top-level new pages added to your site should automatically appear in your primary navigation. For more see Navigation and Custom Menus.