How to Highlight in Adobe Acrobat

In this brief guide, we've shared how to highlight in Adobe Acrobat, so you can mark up important passages for later reference. 
 
How to Highlight with Adobe Acrobat
Adobe Reader is the free version of Acrobat, and although it has less functionality than the full version, there is still a highlight tool. If you plan on using a copy of Reader, you can follow the same steps below.
 
First, download the software from Adobe's website, and then start the installation process. If you've set Acrobat as your default program for PDFs, simply double-click on the file that you want to highlight, and Acrobat will open. 
 
Now, choose the highlighter tool (it looks like a highlighter with the letter T), which is located on the right side of the toolbar. Drag the tool over any text you'd like to highlight, and the passages will be updated in bright yellow. To save your updated PDF, just press Ctrl+S (Command+S on Mac).  
 
Highlighting in Preview (Mac Only)
Every copy of OS X comes with Preview, a versatile image/document editor that also has a highlighter function. To open your PDF in Preview, simply double-click on the file, or launch Preview and choose "File" > "Open". 
 
Next, click on the highlighter button at the top of the screen. If you click on the highlighter drop-down arrow, you can choose from a variety of colors. To highlight a passage, just drag your cursor over the text, and then save your changes. 

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