It isn't working for me it is a pdf file.

Hi there! That's annoying, however might we ask first if you have WinRAR installed? It's a way to unpack large amounts of data. 

You'll need this to get access to the program!

Here's a link to it: https://www.win-rar.com/download.html?&L=0 

Do let us know, if opening the file with this worked for you!