Join the AMA (Ask Me Anything) with Firefox leadership team to talk about Firefox priorities in 2024. Mark your calendar! Thursday, June 13, 17:00 - 19:00 UTC.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

Firefox 4 will not work on MAC OSX 10.4.11 - says "not compatible with this version of OS X, what can I do?

  • 1 reply
  • 21 have this problem
  • 11 views
  • Last reply by cor-el

nealemace
nealemace
more options

I have downloaded Firefox 4, put it in Applications, go to start it and get a message "You cannot use the application Firefox with this version of MAC OS X.

I have downloaded Firefox 4, put it in Applications, go to start it and get a message "You cannot use the application Firefox with this version of MAC OS X.

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at:

Firefox 3.6.x can be found here: