1. Enter your website or blog URL in first textbox.
2. Enter your sitemap.xml URL in second textbox.
3. And then click on ADD button
Below I just provided the atom.xml for bloggers
STEP - 3
After that you need to verify your website or blog ownership,
- Copy the META URL and then past it inside your <head> tag.
- After that confirm your ownership.
Hope your blog or Website added successfully in the famous search engine Bing. Pls comment, if you have any doubt.