How to enable search button in HTML help Workshop software

I have installed HTML help Workshop software (version 4.73) in my system and I have created a project.I could open the .chm file and view the files unde开发者_JS百科r it. However, I am not getting the search tab in .chm file. I am getting stop menu item in "OPTIONS" menu.

How can I display search tab in .chm file?

In HTML Help workshop 4.74, you can double click the options section in the Project tab. Then, a dialog opens. In the dialog, enable the Compiler tab page, and thenre, check the "Compile full-text search" option. If you then compile, you get a search functionality in your .chm file.