Your Web browser's cache stores images, files and graphics that are associated with the Web pages you have visited. By keeping these kinds of files in the cache, your Web browser is able to more quickly load such sites the next time you visit them. Failing to clear the cache periodically, however, could lead to your browser taking up a large amount of storage space on your computer. The way you clear your cache memory varies, depending on which Web browser you use.
Click the "Safety" menu at the upper right-hand corner of your Internet Explorer browser.
Select "Delete Browsing History."
Uncheck the box next to "Preserve Favorites website data" and check the box next to "Temporary Internet files, Cookies, and History."
Click "Tools" and select "Clear Recent History."
Click the "Time range to clear" drop-down menu and select "Everything."
Click the "Clear Now" button.
Click the "Safari" menu at the top of the browser.
Select "Reset Safari."
Click the box next to "Empty the Cache" and select "Reset."