If you've got adobe on your pc, go to print and in the drop down printer list it should say adobe pdf creator (or something similar, CBA to go and look for the exact terms).
I use adobepdf it was a free download Ali.
PrimoPdf
(I'm assuming you aren't using a mac, well I hope you aren't anyway)
MEh! Ca-nts wanted 250£ for the licence. It's sensitive material so can't send. Got it done tho, just a pain in the ass!