In this post you are going to see how to add highlight to a section in your video using movavi video editor plus 2020

First drag & drop the video on timeline.
Play to check it.
Click on more tab.
Click on highlight & conceal. Click on video on timeline.
In preview window drag the highlight box to highlight the area.
Drag it’s corners to change the size.
In highlight & conceal area highlight section click on the shape for highlight.

For remaining part of the video click on blur or matte. option.
Set the opacity by dragging opacity slider.
Drag feathering slider to make highlight’s edges softer