Author: Jen Linton
Keywords: installing DITA Open Toolkit, JavaHelp processor, installing on Linux, JavaHelp, JHHOME, JHHOME environment variable

# Installing the JavaHelp processor on Linux

1. Enter the URL: http://java.sun.com/products/javahelp/download_binary.html
2. From the Sun Developer Network page, scroll to find the heading JavaHelp 2.0_02 (Zip).
3. Select Download.
4. From the Sun Developer Network page, accept the license agreement and scroll to the heading "Platform - JavaHelp API 2.0_02 FCS".
5. Select javahelp-2_0_02.zip, 6.49 MB. The `File Download` window opens.
6. Click Save to unzip the javahelp-2_0_02.zip file and save it to a Linux home directory.
7. Add the JHHOME environment variable: `export JHHOME=${javahelp_dir}`

Parent topic: Installing the optional tools