Portable XPS Viewer bases on Microsoft XML Paper Specification Essentials Pack(aka XPSEP or XPS Essentials Pack)
With the XPS Essentials Pack you can quickly begin reading and generating XPS Documents. It contains XPS Viewer EP to read XPS Documents and the Microsoft XPS Document Writer to output files to the XPS Document format.
Supported Operating Systems: Windows XP and Server 2003 32 bit.
Download XPS Viewer EP-portable(2.19M)now.
Free software but donations are welcome,