Mgosoft PDF Encrypt SDK Developer License, Vn. , from mgosoft is compatible with Windows XP & Windows Vista
Mgosoft PDF Encrypt is a simple, stand-alone application that can help you encrypt your PDF files. It can help you set open passwords for your PDF files, preventing the PDF files from opening or reading. You can also use this tool to set owner passwords, preventing your PDF files from printing, editing, coping, and changing. Mgosoft PDF Encrypt does NOT require Adobe Acrobat, or any other Adobe products.