Delete Search History
To protect your privacy and prevent others from seeing what you have searched you can delete search history or disable it.
How to delete search history in Internet ExplorerYou can use the Ctrl+Shift+Del combination or open the Tools menu and select Delete Browsing History.
Then select Form data and click Delete button.
You can also select to delete search history on a regular basis:
Select Internet options from the Tool menu.
Open the General tab and select Delete browsing history on exit.
If you want to prevent Internet Explorer from storing search history, you may enable the InPrivate Browsing option by pressing Ctrl+Shift+P.
How to delete search history in FirefoxPress Ctrl+Shift+Delete and select Form and Search history and click Clear now.
To delete search history automatically:
Open Firefox and open the Tools menu at the top of the Firefox window.
Then select Options, click the drop-down menu and select 'Firefox will', then choose 'Use custom settings for history'.
Select 'Remember search and form history' and check 'Clear history when Firefox closes'.
How do I delete search history in SafariOpen the Edit menu and select Preferences.
Then open the AutoFill tab and click Edit next to Other forms. Highlight individual websites and then click Remove, or click Remove All.