Where do I download the Firefox web browser? Med-Challenger Support December 17, 2018 22:14 Updated Follow Download Firefox at www.firefox.com. If you have additional questions or experience any difficulties, please submit our support form or contact us by phone at 1-800-676-0822 (option 2). We offer free, live, US-based support Mon – Fri, 8am – 5pm CT. Related articles Where do I download the Chrome browser? Assignment on calendar goes to different part of the course than expected. Contact Information Comments 0 comments Article is closed for comments.