How to empty cache in Firefox.
Step # 1- First locate the Tool menu in your menu bar.

Step # 2 - Move your mouse cursor over the word Tools and click and hold your mouse button and a menu list will drop down. Without releasing your mouse button, drag your mouse cursor to the menu selection Options.

Step # 3 - Release your mouse button and a new window will open called Options. With the privacy tab selected, go to the top right of the tab menu and click on Cache to make sure you are in the correct menu.

Step # 4 - In the section called Cache, find the button Clear Cache Now and click on it.

Step # 5 - The Clear Cache Now will gray out. Now click the OK button on the Options window to get back to the Firefox browser window.

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