Reply To: The dropdown button does not work in incognito.

Hello,

This is a custom link. Navigate to Appearance > Menu > Edit main menu > Expand О Компании menu item and add your own url.
https://ibb.co/N3dZ15C

For the dropdown mega menu you need to click on the menu item. Expand the О Компании menu item and choose Open on mouse event.

Best Regards.