Registration/Installation How do I activate PDF Studio? My key is not working. What can I do? How can I remove the Demo watermark? How many computers and operating systems can I install PDF Studio on? How does PDF Studio license work on Terminal Server or Citrix environment? Do you offer a discount for Students/Faculty and Non-profits? (Yes!) Should I use the 32 bit or 64 bit Linux installer? Where can I download a previous version of PDF Studio? Is there a way to get a free license for PDF Studio? General Where can I find the version history for PDF Studio? How can I create a PDF? Can I print to PDF with PDF Studio? Can I view Adobe Illustrator files in PDF Studio? Why can’t I highlight my scanned document? Can I add OCR text to my scanned document in PDF Studio?