The evaluation copy of PDF Printer for Windows 7 stamps a red mark on all pages in your PDF files. To remove the red mark, you need to register.
After you register, you get the full version product that creates PDF files with the red mark removed. Here are all the benefits of registration,
Create PDF files without red mark or any watermark
Remove registration reminder window
Better quality of document rendering
Much fast conversion
3-Year Free Upgrade
To register now, click the following link,