Navigate to the Menu Manager by selecting Menus from the top navigation bar.

From the Menus page, click the green 'New' button in the top left corner. Then a page will open where you can add details for the new menu item you're adding.

Add a Title, oftentimes this is the same title as the page you're adding like "Who We Are" or "Contact Us". You don't need to add a Title Alias -- these are created automatically.

Next, where it says 'Menu Item Type' click 'Select'.

Most often you will be adding a 'Single Article' Item, ***so* *the next steps are for adding a Single Article Item.*** Click 'Articles', and then click 'Single Article'.

You'll now have the option to Select Item:

Then, you can use the search box or Select category to find the correct Item. Once you've found it, click on it:

Then, lastly, you'll select where you want this menu to appear, in this case, we want 'Contact Us' to appear in the dropdown menu under 'About' on our Main Menu.

So, we make sure the Main Menu is selected, then select 'About' as the Parent Item:

Here's a diagram showing an example of how it looks on a site once saved, you can see 'Contact Us' was added under 'About':

If you don't want your item to go *underneath* another Main Menu item and would like it to be a Main Menu item itself (like Blog) then select 'Main Menu' as the Parent Item.

You're adding this item to the dropdown nested under 'About'