Step 1:
Go to the ‘Content’ tab and then select ‘Navigation’.
Step 2:
Select either ‘Header’ or ‘Footer’, depending on which one you want to edit.
Step 3:
Select ‘Add a Page’, ‘Menu’, ‘Collection’, or ‘External Link’ and then select the ‘Add’ button.
Note: ‘Pages’ and ‘Collections’ are items that you've created in ‘Content’.
‘Menu’ is an item that can have items underneath it.
‘External Link’ is a link to an external website.
You can drag and drop items on the right-hand side to arrange the header as you would like.
Step 4:
Select ‘Save’ to update and display on the front end.