How To Clear Cache/History of Internet Explorer
If you need to clear history, temporary files or cached data in Internet Explorer, is very simple.
1. Open browser, click Tools and then Internet Options
Choose tab General
and click Delete
like in next image
In the new pop-up window select the type of data to be cleared and click Delete
You can clear temporary internet files like images and media saved to improve load speed of a web page, clear username and password data saved, clear history of what web sites have you visited, delete the list of files that has been downloaded with Internet Explorer and more.
To clear cache in Firefox read this article
To clear cache in Google Chrome read this article