1- Click on the three horizontal lines in the top right corner of the browser.
2- Scroll to the bottom of the menu and click on Go to full browser settings.
3- In the search bar at the top right corner of your screen type cache.
4- Click on the Clear browsing data option.
5- Click on the drop down arrow.
6- Click on the All time option.
7- Make sure all of these boxes are marked.
8- Click on the Clear data button.