1. Open your PDF with Adobe Reader.
Adobe Reader is a free software tool, with the help of which you can open and print Adobe Portable Document Format (PDF) files. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia.
2. Click the Highlight Text button. This shows the letter “T” (for “text”) highlighted in yellow.
3. Click and drag your mouse over the text you wish to highlight.