To run XML Extensions, you must have certain hardware and software installed on your computer.
The system requirements for Windows include the following:
The XML Extensions hardware and software requirements are the same as Enterprise Developer version 2.2. Both 32-bit and 64-bit versions are available.
Microsoft's XML parser, MSXML 6.0 or greater, is also required. (A schema processor and an XSLT transformation processor are included in the Microsoft MSXML 6.0 parser.)