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Last verified for compatibility: May 2026. Mozilla may remove older builds from archives, but the paths mentioned remain valid as of this writing. For commentary on legacy Mac browsers, check the r/firefox and r/macos subreddits.
Here is the information you need regarding the final compatible version and how to download it: The Final Compatible Version
If you find that Firefox 78 is sluggish or still incompatible with websites you need, consider these legacy browsers:
If you want, I can draft a short webpage blurb, email, or step-by-step checklist tailored for end users or IT staff.
8 mins
Last verified for compatibility: May 2026. Mozilla may remove older builds from archives, but the paths mentioned remain valid as of this writing. For commentary on legacy Mac browsers, check the r/firefox and r/macos subreddits.
Here is the information you need regarding the final compatible version and how to download it: The Final Compatible Version
If you find that Firefox 78 is sluggish or still incompatible with websites you need, consider these legacy browsers:
If you want, I can draft a short webpage blurb, email, or step-by-step checklist tailored for end users or IT staff.