To delete your Bing search history, follow these steps:

1. Navigate to the Bing homepage.
2. Click on the four horizontal lines in the top right-hand corner.
3. Click 'search history' once in the drop-down menu.
4. On the next page, click 'clear search history' on the right-hand side.
5. Your browsing history should now be deleted and your cache cleared! ^{2 1 3 4 5}.