.NET component (paid) https://www.syncfusion.com/kb/9077/how-to-convert-xps-to-pdf-in-c-vb-net
paid https://www.verydoc.com/xps-to-pdf-shell.html
GhostXPS
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//src - https://social.msdn.microsoft.com/Forums/en-US/b1f15193-3073-4205-b882-c599fcff1559/xps-pdf
//https://www.ghostscript.com/download/gxpsdnld.html
1-Download GhostPDL 1.52: http://ghostscript.com/releases/ghostpdl-1.52.tar.bz2
2-Extract it, then build the entire project: it is simple, just open ghostpdl.sln in Visual Studio 2005, then perform a normal build
3-After the build you will find gxps.exe here: \ghostpdl-1.52\ghostpdl-1.52\xps\obj
4-Convert your XPS file to PDF format like this: gxps.exe -sDEVICE=pdfwrite -sOutputFile=test.pdf -dNOPAUSE test.xps
online free https://xpstopdf.com/
origin - https://www.pipiscrew.com/?p=15527 xps2pdf