In the Download center, click the link for CSS Menu Writer 2.
On the CSS Menu Writer 2 download page, look for the section titled "Beta Builds". Click the arrow next to Beta builds to get to the link to download the 2.0.4 beta build.
NOTE:
This Beta build addresses an issue that will only be encountered if you are using Dreamweaver 8. if you are not using Dreamweaver 8, you do not need this beta build.