Once you have the sitemap URL, use one of the following methods to download it: Improving search with the robots.txt and the sitemap
Websites typically list their sitemap location at the end of their robots.txt file as a directive.
Navigate to the website's root URL and add /robots.txt (e.g., example.com/robots.txt ).
Copy that URL and paste it into your browser's address bar to view the sitemap file directly.
