PDF Files (Acrobat)
Some documents on this web site are in Portable Document Format (PDF). These cross-platform documents ensure that users will be able to obtain publications in their original format regardless of what platform, software, or configurations they use to access the Internet. In order to view PDF documents, however, users must first download the free Acrobat Reader software, which lets you view, navigate through, and print PDF documents. Detailed instructions for downloading and installing the Acrobat Reader are available at https://get.adobe.com/reader/otherversions/.
Audio/Video Files
These files require installation and use of an audio or video player. The QuickTime Player or Windows Media Player are available for free from http://www.apple.com/quicktime/download/ or http://www.microsoft.com/en-us/download/media-players.aspx.