Author: Jen Linton
Keywords: installing DITA Open Toolkit, Saxon XSLT processor, installing on Windows, CLASSPATH, CLASSPATH environment variable

# Installing Saxon on Windows

1. Enter the URL: http://saxon.sourceforge.net/.
2. From Saxon: The XSLT and XQuery Processor page, scroll to find the heading Saxon-B 9.1.
3. Select Download. The SourceForge.net page opens with a list of download options.
4. Select any of the images to start the download.
5. Click Save to unzip the saxonb9-1-0-5j.zip file and save it to the C:\ directory as saxon.
6. Add `C:\saxon\saxon9.jar;C:\saxon\saxon9-dom.jar` to the CLASSPATH environment variable.
7. Set up ANT_OPTS.

       set ANT_OPTS=%ANT_OPTS% -Djavax.xml.transform.TransformerFactory=net.sf.saxon.TransformerFactoryImpl

Parent topic: Installing the minimal package on Windows