How do I create or edit a campaign, ad group, or ad on Bing?

AdStage has removed the ability to create new or make changes to existing Bing campaigns, ad groups and ads. You can continue to include Bing in:

• Report dashboards
• Automate tasks
• Manage to make changes to bids, budgets, and status

Any changes beyond the ones listed above are best made in the Bing Ad Manager. 

https://secure.bingads.microsoft.com