Clearing your browser cache is quite straightforward and can help to resolve a range of issues you may be experiencing.
Caching speeds up your browsing speed, but sometimes files are saved locally within the browser (or cached) that you don't want anymore. Clearing the cache forces your browser to retrieve the latest version of the files from the website.
Links to articles about clearing the cache on various browsers are shown below:
If your browser is not shown, just google clear browser and add in the name of the browser you use.