1. To highlight the text, select the cursor button in the toolbar menu. It looks like this:  

2. Select the text you would like to highlight by dragging your cursor across the word or sentence(s). Right-click your mouse to see the drop-down menu. 

3. Select “Highlight this.”  

4. The highlight color palette will appear; click on the color you want to use for this highlight. 

5. The text you have selected should now be highlighted.

The whole process:

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