1. How to edit the Top Bar section
Nex - Factory & Industrial WordPress Theme comes with one demo Top Bar:
You can edit its content using the Vamtam Beaver Builder: Guide to Vamtam Beaver Builder
Please go to Dashboard > Vamtam Builder > Saved Rows > locate the Top Bar Row and click the VamTam Builder link:
You can edit each of the elements, add or remove some of them.
In order to save your changes please click on the Done button, next Publish Changes.
2. How to disable the Top Bar section
In case you need to select different saved row or disable the top bar section, please go to Customize > Top Bar > Layout
In case that you don't see the Builder button in your dashboard, please go to Appearance > VamTam Builder > User Access tab
Next, locate the Admin section > click on Select field > click on Select All link
At the end, click Save User Access settings button.