install Firefox
I have downloaded the Firefox browser several times on my MacBook Pro with Mac OS High Sierra 10.13.1.6 - it doesn't open. Advice please?
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I have the same mac version and running Firefox and Nightly. Where are you downloading from? https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
Post a screenshot showing Firefox in your applications. Let me fire up my mac and post screenshots...
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