For Internet Explorer:

• Visit “Internet Options”
• Click on the “General” tab
• Look for the “Browsing History” option
• Select “Temporary Internet Files” and “Website Data”
• Hit “Delete”

For Google Chrome:

• Visit “More settings”
• Select “More tools”
• Click “Clear browsing data”
• Note that Chrome allows you to delete data within a certain period
• If you’ve never deleted the files in your cache before, you’ll want to select “All time”
• Check the boxes “Cookies and other site data” and “Cached images and files”
• Hit “Clear data”