If you get a message that the " File was created in a later version of Adobe Acrobat," go ahead and see if it will open. Many times if will.
If the file does not open, you will need to download Adobe Acrobat reader. The download is free and the software is safe. To download Adobe Acrobat reader, click on the icon below and you will be taken to the Adobe Acrobat site. Follow screen instructions to download and install Acrobat Reader.