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http://www.mozilla.org/en-US/plugincheck/

Mac OS

Log out of the user account and sign in with Admin account

Updates

• Check OS updates
• Firefox browser (under "About Firefox") --> Updates automatically without prompts
  • To switch to ESR version: 
    • http://www.mozilla.org/en-US/firefox/organizations/all/
  • Browser plug ins (Silverlight, flash, etc.)
    • http://www.mozilla.org/en-US/plugincheck/
• Microsoft Office