If you're using Safari, you can go to the History menu and at the very bottom you'll find an item that says "Clear History"; clicking it will (of course) clear the history. If you're using Firefox, go to the View menu, then Sidebar, and click on "History"; the History sidebar will open, and you can remove items from the history list by selecting them and pressing the Delete (or Backspace) key.
How do you delete the history off MAC computers?
