FireFox Icon

 FireFox Browser

Follow the steps below to clear the cache for FireFox 45+.

Step 1

From the Menu Bar, click History and click Clear Recent History...

 Step 1 - FireFox

 

Tip: If you do not see a Menu bar, right-click near the space where the menu bar should be and select Menu Bar.

FireFox Menu Bar

 

Step 2

Choose Everything for the time range to clear, then make sure the checkbox for Cache is selected. Click Clear Now.

FireFox Step 2