Microsoft Internet Explorer uses the Temporary Internet Files feature to store copies of Web content on your computer. This feature can fill your disk with unwanted data, but it's easy to delete these files to free up space.
How to Delete Temporary Internet Files in Internet Explorer® 10
When you reopen the same web page, the browser uses the saved file and downloads only the new content. This feature improves network performance, but fills the disk with potentially unwanted data. Manage temporary Internet files by deleting them when necessary to free up disk space.
Deleting these files is a quick fix when a drive is almost full.
Open Internet Explorer.