1. Go to Bing Web Master Tools and click SIGNUP.
2. You can choose to create a Bing Webmaster account using your Microsoft account,Google account or Facebook account.Select your prefer method and proceed to the next step.
3. Enter your website URL in top box and click ADD.
4. Specify the location of your XML sitemap and click ADD.
5. Verify your website.

You can verify your sitemap ownership with Bing using Meta tag verification method.

Meta tag verification

Add the Metadata bing gives to your landing page and snap straightaway,it’s as straight forward as that.In the event that you have a CMS overseen site this is truly simple to do.