Author: Jen Linton
Keywords: installing DITA Open Toolkit, Ant, installing on Windows, ANT_HOME, ANT_OPTS, ANT_HOME environment variable, ANT_OPTS environment variable

# Installing Ant on Windows

1. Enter the URL: http://ant.apache.org/bindownload.cgi.
2. On the Apache Ant Project page, find the heading Current Release of Ant.
3. Select apache-ant-1.7.1-bin.zip [PGP] [SHA1] [MD5]
4. Click Save to unzip the apache-ant-1.7.1-bin.zip [PGP] [SHA1] [MD5] file and save it to your C:\ directory as ant.
5. Add the `bin` directory to your PATH environment variable.
6. Add the ANT_HOME environment variable set to `C:\ant`.
7. Add the ANT_OPTS environment variable set to `-Xmx256M`.

Parent topic: Installing the minimal package on Windows