There are many paid and free software that can open PDF files, however the following instructions are for Adobe Reader. Adobe Reader is a free software and can be downloaded at http://get.adobe.com/reader/. If you already have Adobe Reader on your computer, make sure it is up-to-date.
Open the PDF file in Adobe Reader. You should see something similar to the figure below. Let's get familiar with its user interface.
To hide/show the navigational tools, press the following keys on your keyboard.
- F4 - Navigation pane
- F8 - Tool bar and Task pane
- F9 - Menu bar
To add text to the document, follow the steps in the figure below.
If you are using a Mac, you can use the preinstalled Preview application. You can edit, and preview PDFs.
You can also use Microsoft Edge. Make sure you "right click" the PDF and Open with Microsoft Edge. After opening the document, you can add text
