Change directory to [oxygen]/frameworks/docbook/xsl/htmlhelp/.

Select htmlhelp.xsl, click Open. The dialog closes.

Set the XSLT parameter base.dir, it identifies the output directory. (If not specified, the output directory is system dependent.) Also set the manifest.in.base.dir to 1 in order to have the project files copied in output as well.

Select the FOP tab.

Uncheck the Perform FOP option. The FOP options are disabled.

Click Transform Now. The transformation is started.

At the end of the transformation you should find the html, hhp and hhc files in the base.dir directory.

Download Microsoft's HTML Help Workshop and install it.

Apply the HTML Help compiler called hhc.exe on the html, hhp and hhc files in the base.dir directory.