www.wysiwygwebbuilder.com

I have a complete page written in html (not developed with wysiwyg) that I want to insert into the site. What is the best way to insert it into the project?.
Thanks

First please note that WWB is not a HTML Editor but a HTML Generator what this means is that the HTML doesn't exist till published. So you cannot just drop the code (HTML) onto a blank workspace and hope it will work.
You can use the following:Importing HTML by first saving the HTML as an external page with the .html extension or .php if it is using any php and then import the page you will also need to give reference to it in any of the menu or navigation used so to be able to go back and forth to it once published.

you could also save your page as an html page to the server then use an iframe to insert your page into a wizzy page. i use this on several client sites.