The Xerces-C++ source is available in the source distribution:
xerces-c-3.1.2.zip.
Install the Xerces-C++ source distribution by using unzip
on the xerces-c-3.1.2.zip archive in the Windows environment. You can
use WinZip, or any other UnZip utility:
This creates the 'xerces-c-3.1.2' sub-directory
containing the Xerces-C++ source distribution.
To build the Xerces-C++ source after installation,
please follow the Build Instructions.