Method 1:
  1. Open Firefox
  2. Select Open menu icon in top right  User-added image
  3. Select History
  4. Click Clear Recent History
  5. Select Clear Now
  6. Close all instances of Firefox and re-open
    • Note: In general, default settings do not need to be changed
Method 2:
  1. Open Firefox
  2. Hold down Ctrl, Shift, and Delete keys simultaneously
    • Note: Clear All History pop-up will appear
  3. Select Clear Now
  4. Close all instances of Firefox and re-open
    • Note: In general, default settings do not need to be changed