Which is a better Adobe or any free programs for turning files into PDF?

I have Adobe 9, and it says I have to pay to turn files into PDF. Is Adobe 8 better? And if it is, should I delete all Adobe 9, before downloading any better Adobe or programs that would let me turn files into PDF. The files I need will be send from my e-mail, it is electronic processing. I have no idea even how to... show more I have Adobe 9, and it says I have to pay to turn files into PDF. Is Adobe 8 better? And if it is, should I delete all Adobe 9, before downloading any better Adobe or programs that would let me turn files into PDF. The files I need will be send from my e-mail, it is electronic processing. I have no idea even how to turn files into PDF..
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