PDF is the de facto standard for the distribution and exchange of electronic documents and forms around the world. CutePDF Writer allows you to easily create PDFs on any 32-bit or 64-bit Windows PC. CutePDF Writer installs itself as a “CutePDF” printer. Once it is installed, you can open a document / webpage / whatever and print to the CutePDF printer. Your print output is then saved as a PDF. FREE for both commercial and non-commercial use, with no watermarks or pop-up ads.

You can get it here