How to generate a Google Sitemap

The "Sitemap Generator" provided by Google is a console script written in Python and is intended to be executed on the console to generate the sitemap.

Unfortunately, this is not supported on Winhost servers because
Python is not installed, and unlike a linux host, it is not possible for you to execute shell commands on the server.
According to Google, it is possible to write your own program to generate the needed sitemap file. See Webmaster ToolsHelp articles › Sitemaps.

Alternatively, there are a number of freely available services/tools to generate a Sitemap file. They include: