Changing the Logo in the Navigation Menu Element
Click on the navigation menu element
Scroll down to the Brand Logo and select the logo from the media library, or upload if you don’t have it, then select it
Save and Publish to see your changes live
Changing the logo from an Image Element
Click on the image element, and then, on the right side menu, under image options, select your image from the media library
Save and Publish the new changes