You're logged in, on left side you see list of subpages you already have in your website.

In the bottom, there's "Add a Subpage" link, click it now.

You'll see a pop up window, system will need to know how to name your new subpage:

1. Type your subpage name, like "Our Services"
2. When you're ready, click "Add" button.

1. Subpage is added! You will see a congratulations message in header.
2. You can see your new subpage on left side, in subpages menu.

When subpage is created, you're automatically redirected to editor and you can enter your texts there. In future, if you want to edit this subpage, just click on its name in left navigation menu.