Fast and simple to use
Use pdfMachine to print from a Windows application and convert to PDF.
Pages can also be scanned to convert to PDF.
More pages can be appended to the PDF by keeping the PDF open in pdfMachine and printing/scanning to it again.
Windows Platforms : 7 / 8 / 10 / 2008 / 2012 / 2016, includes x64 Platforms