Millions of people use Facebook through Facebook via Mac or PC browser every day. It is convenient to clear the search history from time to time then here are steps to . Proceed to http://www.facebook.com/. Choose the search bar at the top of the website. Click to edit and choose to clear searches. Lastly, your search history is now deleted. These are the steps that users need to follow to clear Facebook search history on computer. It is advisable to follow the steps to not to face issues Facebook search history on your computer.