Bing search engine provides option to turn off or clear the Search History. If you are using a public computer and do not want others to know your Bing searches then you can use this feature.
Step 1: Tap the Settings available at the right hand corner.
Step 2: Click the Search History tab
The Search History screen displays the different searches that have been carried out using Bing. You can filter the search history by Dates or types of search (Web, Images or Videos) or Computer.
Step 3: You can use the Clear All and Turn Off buttons to Clear and stop Bing from storing your searches.