• Navigation
  • open search





Mozilla Firefox for Mac

Average User Rating:
out of 80 votes

Quick Specs

  • Version:
    4 beta 5
  • Total Downloads:
  • Date Added:
    Sep. 07, 2010
  • Price:
  • File Size:
  • Downloads Last Week:
  • Platform:
  • Product ranking:
    #19 in Web Browsers

Editors' Note:

Beta or prerelease software is not intended for inexperienced users, as the software may contain bugs or may potentially damage your system. We strongly recommend that users exercise caution and save all mission-critical data before installing or using this software.

Publisher's Description

read more +
User Reviews
  • Current Version


    out of 3 votes

    • 5 star 0
    • 4 star 0
    • 3 star 1
    • 2 star 1
    • 1 star 1
  • All Versions


    out of 80 votes

    • 5 star 17
    • 4 star 12
    • 3 star 13
    • 2 star 10
    • 1 star 28
  • My rating

    0 stars

    Write review

Results 1–3 of 3

3 stars

"Still not ready"

September 14, 2010  |  By Tripod

 |  Version: Mozilla Firefox 4 beta 5


New Tabs on top feature is nice


Not compatible with many common add-ons yet. Does not display correctly on my G5 running 10.5.8.


Beta software so it's expected to have some issues. I await the release to see if everything is fixed.

Reply to this review

Was this review helpful? (0)   (0)  

1 stars

"Completely broken!"

September 09, 2010  |  By CyberSkull

 |  Version: Mozilla Firefox 4 beta 5


Nothing good in this version.


Everything is broken. The URL bar does not work, bookmarks are gone and themes/personas do not load.


Firefox 4b5 is essentially unusable, like 4b4 before it. How does Mozilla even justify releasing a beta that broken before it goes out the door?

Reply to this review

Was this review helpful? (1)   (0)  

2 stars

"Good to Bad"

September 07, 2010  |  By mactheknife

 |  Version: Mozilla Firefox 4 beta 5


None that I can see.


The look, the feel is horrible and the bookmark bar on top is gone. I don't want to be avant garde.

Reply to this review Read reply (1)

Was this review helpful? (1)   (1)  

Results 1–3 of 3

Add Your Review

Login or create an account to post a review.

You are logged in as . Please submit your review for Mozilla Firefox
Add Your Review

The posting of advertisements, profanity, or personal attacks is prohibited.
Click here to review our site terms of use.

Update Your Review

Since you've already submitted a review for this product, this submission will be added as an update to your original review.

The posting of advertisements, profanity, or personal attacks is prohibited.
Click here to review our site terms of use.

see all reviews +

Full Specifications

What's new in version 4 beta 5
  • Firefox 4 Beta 5 is available in 39 languages.
  • Support for the new proposed Audio Data API
  • Direct2D Hardware Acceleration is now on by default for Windows 7 users
  • Firefox button has a new look for Windows Vista and Windows 7 users
  • Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL.
  • See the complete changelist from the previous beta.
Publisher Mozilla
Publisher web site http://www.mozilla.org/
Release Date September 07, 2010
Date Added September 07, 2010
Version 4 beta 5
Category Browsers
Subcategory Web Browsers
Operating Systems
Operating Systems Mac OS X 10.4 Intel/PPC, Mac OS X 10.5 Intel/PPC
Additional Requirements Intel x86 or PowerPC G3, G4, or G5 processor; 128MB RAM, 200MB disk space
Download Information
File Size 76.56MB
File Name Firefox 42.0b2.dmg
Total Downloads 119,479
Downloads Last Week 11
License Model Free
Limitations Not available
Price Free

Previous Versions:

Add to my list Report a problem
read more +

More Products to Consider


Submit a problem report for Mozilla Firefox

Please describe the problem you have with this software. This information will be sent to our editors for review.


The Download.com Installer isn't working as expected

The download link does not work

The software has a newer version

The product contains malicious software



Please select a feedback type.

Please enter a description.

Submit Problem Report


Problem Report submitted

Thank you for submitting a problem report! The Download team is committed to providing you with accurate software information.