The Browser Cache is a temporary storage location on your computer/device for files downloaded by your browser to display websites.
To clear your browser's Cache, you need to go to your browser's history page and there should be a button "Clear Browser Data", once you click this there should be multiple check boxes, you only need the checkbox that mentions "cache" checked and click "Clear Data", most browsers on any computer you can use a keyboard shortcut, just press "CTRL+SHIFT+DEL" then click "Clear Data".
If you are still having trouble here is a detailed step by step guide on how to clear your browser's cache, click the link below and select your browser and/or mobile OS. https://www.refreshyourcache.com/en/home/