Chris Travers (who wrote the excellent tutorials for installing MySQL and PostgreSQL on Windows last year) wrote a tutorial for Microsoft's Port 25 site titled: Apache 2.2 on Windows: A Primer. You can find this PDF download linked in the Port 25 blog entry...

Technical Analysis: Installing Apache on Windows

The document includes a complete commented configuration file (httpd.conf on Linux systems, not sure what it is named on Windows). I haven't installed Apache httpd on Windows in many years. I tend to run IIS on Windows and Apache on Linux. I may give it a try on Windows one day just to see what I can learn from Chris' tutorial.