How to Clear the Cache in Firefox

Clearing the Cache

1. Click the menu button in the top-right hand corner of Firefox (three lines)
2. Select the "Privacy & Security panel.
3. In the "Cookies and Site Data" section, click "Clear Data..."
4. Remove the check mark in front of "Cookies and Site Data" (unless you want to clear the Cookies).
5. With "Cached Web Content" check marked, click the "Clear" button.
6. Close the about:preferences page.  Any changes will automatically be saved.