Download Mozilla Firefox 109.0 With Unified Extensions Button

Mozilla Firefox is one of the most loved web browsers amongst Chrome and Edge. Mozilla releases a Firefox update every 4 weeks. Download the latest version with improvements and security patches from this post.

Firefox Generic

Mozilla Firefox version 109.0 is now available for download. This is the first release of the year 2023 but does not include any significant new features or changes.

If you have already Firefox installed on your computer, then you may not be able to update it using the update function immediately, since Mozilla will be rolling that out gradually. However, you can still upgrade to it by downloading version 109 from the links provided below.

Mozilla still hasn’t published the release notes for this update, but you can find them here once they are available. But we can see a few differences just by using Firefox version 109, which have been discussed below.

If you are a developer, you may want to check out Firefox 109 release notes for developers.

Let us take a closer look at what this release offers before getting to the downloads.

Mozilla Firefox 109 Release Summary

  • Complete Release Build: 109.0
  • Release Date: Monday, January 16th, 2023
  • CompatibilityWindows 1110, 8.1, 8, 7 (32-bit and 64-bit), Linux, MacOS, iOS, and Android.
  • Previous Build: Firefox 108.0

New in Firefox 109

This release includes the following updates that are currently known:

  • Unified Extensions Button

    If you use more than one extension for Firefox, you will notice that you now see only a single expandable button for them in the toolbar. This gives a neat and tidy look to the toolbar.

    Simply click on the button to manage all your active extensions.

    Unified extensions button
    Unified extensions button
  • Firefox supports web extensions that use Manifest Version 3.

    These Manifest APIs control how Chrome extensions communicate with the browser. Google will implement Manifest V3 as an application programming interface (API) in Google Chrome.

  • Updates for developers

    The following list of updates is included in Firefox 109:

    • The HTML “range” element now supports a list attribute that can link to a “datalist” element to allow Firefox to display tick marks along the range.
    • The CSS “content-visibility” property now supports the value “auto” that will allow content to skip rendering if it is not relevant to the user.
    • Firefox now supports “scrollend” events for when a user has completed scrolling.
    • Manifest V3 is now supported for Firefox add-on developers by default while Manifest Version 2 continues to be supported. The default Content Security Policy for Manifest V3 extensions has also been updated.

Update to Firefox 109

If you already have Mozilla Firefox installed on your computer, then updating it would be easy. Follow the guide below to update your existing Chrome browser to version 109.0.

  1. Launch Firefox and click on the 3 lines in the top-right corner, then click Help.

    Firefox help
    Expand Help from the menu
  2. Click “About Firefox.”

    Firefox about
    Open Firefox’s About page

    You will now see a pop-up window that will automatically begin searching for an available update and install it.

  3. Once installed, click “Restart to Update Firefox.”

    Note: The browser closes when you click Relaunch and then reopens, restoring all closed tabs.

    Restart firefox
    Restart Firefox
  4. Verify that the browser has been updated by returning to the About Firefox pop-up.

    Firefox updated
    Firefox updated

Download Mozilla Firefox 109

The download links given below are for the English version of the browser. If you want to download Firefox 109 in another language, you may get the link from here.

For Windows

Download Firefox 109 64-bit (exe) offline installer [55 MB]

Download Firefox 109 64-bit (msi) offline installer [56 MB]

Download Firefox 109 32-bit (exe) offline installer [53 MB]

Download Firefox 109 32-bit (msi) offline installer [53 MB]

For MacOS

Download Firefox 109 for MacOS (dmg) [126 MB]

Download Firefox 109 for MacOS (pkg) [133 MB]

For Linux

Download Firefox 109 for Linux (tar.bz2) [76 MB]

For Android

Download Firefox 109 for Android

For iOS

Download Firefox 109 for iPhone/iOS

Install Firefox 109

The following method is a guide for installing Mozilla Firefox on a Windows computer. Installing it on macOS and Linux devices would not be so different.

If you already have Firefox installed on your computer, then installing it again using a downloaded package would automatically upgrade the existing version.

  1. Download the setup file from above and run it.

    The installation wizard will now launch.

  2. Click Next.

    Firefox install 1
  3. Select “Standard” installation and then click Next.

    Firefox install 2
    Select installation type
  4. Leave the default location and then click Install/Upgrade.

    Firefox install 3
    Install or upgrade Firefox

    The browser will now install.

  5. When completed, click Finish.

    Firefox install 4
    Close wizard

Firefox will now be installed/updated to version 109.

Uninstall Mozilla Firefox

If you feel like removing Firefox from your PC, simply follow these steps:

  1. Open the Programs & Features applet by typing in “appwiz.cpl” in the Run Command box.

    Open Programs and Features applet
  2. Double-click “Mozilla Firefox” to uninstall it.

    Double click Firefox
    Double-click Firefox

    The uninstallation wizard will now open.

  3. Click Next.

    Firefox uninstall 1
  4. Click Uninstall.

    Firefox uninstall 2
    Begin uninstallation

    The wizard will now remove Firefox.

  5. When removed, close the wizard by clicking Finish.

    Firefox uninstall 3
    Close the wizard

Firefox will now be removed from your computer.

Mozilla Firefox Changelog History

Firefox VersionRelease DateFeatures
Firefox 10916-Jan-23Support for Manifest V3 extensions, unified extensions button in the toolbar.
Firefox 10813-Dec-22Background tab efficiency mode integration for Windows 11, import maps, support to use Shift + Esc shortcut keys to open the Process Manager.
Firefox 10715-Nov-22Improved performance, Power profiling support on Linux and Mac devices.
Firefox 10617-Oct-22PDF Annotations, WebRTC improvements, and a welcome screen for initial setup.
Firefox 10520-Sep-22Performance improvements, retracted 2-finger swipe feature, option to print the current page only.
Mozilla Firefox features introduced in each version

Also see:

Subhan Zafar is an established IT professional with interests in Windows and Server infrastructure testing and research, and is currently working with Itechtics as a research consultant. He has studied Electrical Engineering and is also certified by Huawei (HCNA & HCNP Routing and Switching).

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