To clear cache and cookies on your Firefox browser, please follow the steps below:

1. Open Firefox.
2. Click on the 3 lines located the top right corner of the browser. 
3. Go to Settings > Privacy & Security.
4. Scroll down to Cookies and Site Data. 
5. Click on 'Clear Data' and then 'Clear' again. You have now cleared your Temporary Internet Files and Cookies.

If you need any additional assistance, please contact our friendly Customer Support Team.