Trouble saving webpage via "Print to pdf" format

For my work, We are now required to use a tracking program for our expenses (www.Runzheimer.com). When I get to the page that lists my miles, I am suppose to hit the "print" button and then select "Print to PDF". Just recently had to reload windows and having trouble locating a Print to PDF program that will install proberlly, For the life of me I thought I used "pdflite" last time, but thats...