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Web browser requirements for the Challenger Online Portal (Mac)

Med-Challenger Support -

The following Web browsers can be used to access Challenger products online:

  • Safari 5, 6, or 7
  • Firefox (latest version)
  • Chrome (latest version)

If you have additional questions or experience any difficulties, please submit our support form or contact us by phone at 1-888-242-5536. We offer free, live, US-based support Mon – Fri, 8am – 5pm CT.