Zip files are archive files. The latest versions of the Mac and PC operating systems have built in the capability to extract Zip files; however, if you are having difficulties extracting the files, we recommend that you download and install the freely available 7-Zip program.

PDF files are in Adobe Acrobat Portable Document Format. You will need a PDF reader to read the files. Macs have built-in PDF support. For PCs, you will need to download and install a reader such as the Adobe Acrobat Reader.