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Step 1. Click the Tools icon found below the close button (x) in the top right. The icon looks like a gear.
Step 2. Hover the mouse over Safety and click Delete browsing history. A new window opens labeled, Delete Browsing History.
Step 3. Click the box next to Temporary Internet files and website files. Other options to delete are up to user preference.
Step 4. Click Delete. A message at the bottom of the screen confirms deletion of the cache.