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.
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Step 3. Click the box next to Temporary Internet files and website files. Other options to delete are up to user preference.
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Step 4. Click Delete. A message at the bottom of the screen confirms deletion of the cache.