1. Select Tools (via the Gear Icon) > Safety > Delete browsing history....
NOTE: You can also access this menu by holding Ctrl + Shift + Delete
2. Uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.
3. Once a confirmation at the bottom of the screen pops up stating that Internet Explorer has finished deleting the selected browsing history, restart your browser by closing and reopening it up.