No specific info about version 6.1. Please visit the main page of PDF Printer for Windows 7 on Software Informer.
Write PDF documents from virtually any Microsoft Windows application.
Create PDF documents from any application that supports printing.
Programmable virtual printer for .NET (C# & VB) and C/C++ developers.
This PDF Impress 2013 program allows drag & drop files directly to PDF profile
Drafix PDF Writer is a virtual printer that allows you to create PDF files.
This app allows the application to write a document as a PDF Documen.