You don’t need any genius these days, you just need to know the right place to go. Here is the best XML Sitemap Generator online.

http://www.xml-sitemaps.com/

When you are done, go here: http://www.google.com/webmastertools

1. Create an account or log in
2. On the left, click sitemaps
3. In the middle, click Submit a Sitemap
4. Upload the sitemap to the root directory (first folder) of your website files online
5. Type in your sitemap name: sitemap.xml
6. You are done!