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How to clear the cache in Firefox browser on Windows


Latest Versions of Firefox

  1. Close all open Firefox windows and tabs. Open a new Firefox window.
  2. Click the Menu button in the top right
  3. Select the "Options" button (Marked by a gear icon) - On Mac the button will say "Preferences" like below
    Firefox settings

  4. On the left select the Privacy & Security tab
  5. Click "clear your recent history"

    Screenshot showing privacy and security settings

  6. A dialogue box will appear, select the items to delete - make sure that "Cache" is selected - and verify that the time range to clear is set to "Everything"

    Firefox Clear Cache

  7. Now click the "Clear Now" button