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Safari: history, clear history, all history, clear history
Edge (Microsoft): Settings > Privacy, search, and services, clear all browsing data and cookies, click clear now.
Googling how to clear internet history, or cookies, or cache (all meaning the same thing) for any other internet browsers brings up pretty stepwise instructions.
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Certainly, check with your professor before the exam starts if this is allowed, but if there are problems, we may be able to resolve them quickly and get you on your testing way. (If being proctored via webcam) Ensure you can see yourself in the live feed video box (if not, specific troubleshooting for this here).
4) Answer questions as you go through (knowing that you cannot change them after hitting 'submit answer')
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