Navigation - official documentation
Important:
If you create all menu item in different places - drop-down limit will be 4.
With drag navigation drop-down limit = 2.
If you create menu with old method - not use new method anywhere.

Add, remove, or edit menu links - official documentation
Drop-down levels = 4
Create a drop-down menu - official documentation
Drop-down levels = 1
3. Go to "Customize Theme" and edit section "Header"
4. In section "Header" scroll down and click button "Add Content" then "Submenu Images"

5. Settings:

New Method

Drop-down levels = 4 for old admin panel method.
Drop-down levels = 2 for new admin panel method.
3. Go to "Customize Theme" and edit section "Header"
4. In section "Header" scroll down and click button "Add Content" then "Megamenu"

5. Settings:

New Method

6. Widget section

7. Bottom banners

2. Go to "Customize Theme" and edit section "Footer"
3. Open tab "Footer Design 1"
