This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

I am about to upgrade my iMac from Yosemite 10.10.4 to El Capitan 11.1. Is this compatible with Firefox 42.0?

  • 2 respostas
  • 2 have this problem
  • 2 views
  • Last reply by cor-el

more options

Late 2009 Imac 27" with Intel with 3.06 GHz Intel Core 2 Duo and 12GB memory.

Late 2009 Imac 27" with Intel with 3.06 GHz Intel Core 2 Duo and 12GB memory.

Chosen solution

Yes, Firefox will run just fine on 10.11 (Doing it right now :)

Ler a resposta no contexto 👍 0

All Replies (2)

more options

Chosen Solution

Yes, Firefox will run just fine on 10.11 (Doing it right now :)

more options